Franch
Swiss
Chinese

So far, 267 combinations SEED/EMBED generate sequences that reach one million letters and seem eager to go much farther.

At the 1000000 level, the most steps (15519) are for the pair SEED = 12 and EMBED = 14.

With "this sentence has # letters", the longest series (up to one million letters) happens by embedding with 16 letters, and its middle might look like this

with
 "with
  "with
   "with
    "with
     "with
      "with
       "with
        "with
         "with
          "with
           "with
            "with
             "with
              "with
               "with
                "with
                 "with
                  "with
                   "with
                    "with
                     "with
                      "with
                       "with
                        "with
                         "with
                          "with
                           "with
                            "with
                             "with
                              "with
                               "with
                                "with
                                 "with
                                  "with
                                   "with
                                    "with
                                     "with
                                      "with
                                       "with
                                        "with
                                         "with
                                          "with
                                           "with
                                            "with
                                             "with
                                              "with
                                               "with
                                                "with
                                                 "this sentence has thirty-one letters"
                                                I have fifty-seven letters"
                                               I have eighty-two letters"
                                              I have one hundred and nineteen letters"
                                             I have one hundred and fifty-eight letters"
                                            I have one hundred and ninety-eight letters"
                                           I have two hundred and thirty-six letters"
                                          I have two hundred and seventy-seven letters"
                                         I have three hundred and fifteen letters"
                                        I have three hundred and fifty-five letters"
                                       I have three hundred and ninety-seven letters"
                                      I have four hundred and thirty-six letters"
                                     I have four hundred and seventy-eight letters"
                                    I have five hundred and seventeen letters"
                                   I have five hundred and fifty-seven letters"
                                  I have five hundred and ninety-six letters"
                                 I have six hundred and thirty-five letters"
                                I have six hundred and seventy-five letters"
                               I have seven hundred and twelve letters"
                              I have seven hundred and fifty-one letters"
                             I have seven hundred and ninety-three letters"
                            I have eight hundred and thirty letters"
                           I have eight hundred and seventy-one letters"
                          I have nine hundred and five letters"
                         I have nine hundred and forty-four letters"
                        I have nine hundred and eighty letters"
                       I have one thousand and eighteen letters"
                      I have one thousand and fifty-eight letters"
                     I have one thousand and one hundred and five letters"
                    I have one thousand and one hundred and fifty-eight letters"
                   I have one thousand and two hundred and five letters"
                  I have one thousand and two hundred and fifty-eight letters"
                 I have one thousand and three hundred and eight letters"
                I have one thousand and three hundred and sixty-one letters"
               I have one thousand and four hundred and nine letters"
              I have one thousand and four hundred and sixty-three letters"
             I have one thousand and five hundred and ten letters"
            I have one thousand and five hundred and sixty-two letters"
           I have one thousand and six hundred and thirteen letters"
          I have one thousand and six hundred and sixty-five letters"
         I have one thousand and seven hundred and eighteen letters"
        I have one thousand and seven hundred and seventy-four letters"
       I have one thousand and eight hundred and twenty-nine letters"
      I have one thousand and eight hundred and eighty letters"
     I have one thousand and nine hundred and thirty letters"
    I have one thousand and nine hundred and eighty letters"
   I have two thousand and eighteen letters"
  I have two thousand and fifty-eight letters"
 I have two thousand and one hundred and five letters"
I have two thousand and one hundred and fifty-eight letters

Last update 2014-12-09