cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

Showing 1-4 of 4 results.

A072887 The s-inners or non-s-aints, numbers generated like the Aronson series from the letters, specifically the s, in a generating sentence, "S ain't the second, third, fourth, fifth . . . letter of this sentence.".

Original entry on oeis.org

1, 9, 31, 36, 98, 107, 156, 164, 210, 221, 266, 312, 358, 365, 407, 417, 461, 468, 510, 520, 548, 556, 564, 566, 571, 577, 587, 598, 608, 613, 618, 623, 630, 641, 651, 661, 671, 673, 680, 686, 698, 711, 723, 730, 735, 742, 749, 762, 792, 800, 846, 857, 905
Offset: 1

Views

Author

Michael Joseph Halm, Jul 29 2002

Keywords

Comments

The discovery of the s-inners was inspired by the mention of the Aronson series in Douglas R. Hofstadter's Metamathematical Themas.

Examples

			a(1)= 1 because the first letter in the generating sentence that is s is the first one, a.

Links

Crossrefs

Cf. A005224.
Complement of A072886.

Formula

In blocks of 10 letters: saintthese condthirdf ourthfifth sixthseven theighthte nthelevent htwelfthth irteenthfo urteenthfi fteenthsix teenthseve nteentheig hteenthnin ...

Extensions

a(15) onward corrected by Sean A. Irvine, Nov 02 2024

A072421 The p-est sequence is similar to the Aronson sequence except that instead of the generating sentence beginning with T, it begins with P and instead of being in English it is in Latin.

Original entry on oeis.org

1, 5, 10, 25, 40, 63, 84, 110, 135, 159, 192, 230, 265, 294, 330, 366, 397, 434, 455, 483, 523, 557, 598, 634, 645, 679, 717, 753, 795, 810, 832, 842, 856, 868, 898, 911, 938
Offset: 1

Views

Author

Michael Joseph Halm, Jul 31 2002

Keywords

Examples

			a(3) = 10 because the P in the first conjunction, praeterea, is the tenth in the generating sentence.

References

  • M. J. Halm, Newies, Mpossibilities 64, p. 3 (Mar. 1997)

Links

Crossrefs

Cf. A005224, A014367, A072886, A072887.

Formula

From the generating sentence: "p est prima praeterea quinta praeterea decima praeterea quinta vicesima praeterea quadragesima praeterea tertia sexagesima praeterea quarta octogesima praeterea decima centesima ... littera in hic sententiam."

A072423 The t-est sequence is similar to the Aronson sequence except that instead of being in English it is in Latin.

Original entry on oeis.org

1, 4, 11, 16, 19, 29, 33, 42, 56, 70, 71, 74, 77, 87, 105, 109, 121, 128, 132, 142, 151, 161, 166, 171, 181, 185, 192, 202, 207, 212, 219, 227, 234, 251, 258, 261, 276, 283, 291, 313, 320, 343, 350, 366, 375, 382, 401, 408, 412, 427, 434, 443, 455, 462
Offset: 1

Views

Author

Michael Joseph Halm, Jul 31 2002

Keywords

Examples

			a(2) = 4 because the T in the first use of the word, est, is the fourth in the generating sentence.

References

  • M. J. Halm, Newies, Mpossibilities 64, p. 3 (Mar. 1997)

Links

Crossrefs

Cf. A005224, A014367, A072886, A072887.

Formula

From the generating sentence: "T est prima et quarta et undecima et sexima decima et nona decima et nona vicesima ... littera in hic sententiam."

A072422 The n-est sequence is similar to the Aronson sequence except that instead of the generating sentence beginning with T, it begins with N and instead of being in English it is in Latin.

Original entry on oeis.org

1, 18, 24, 2753, 59, 62, 95, 98, 126, 132, 135, 149, 155, 170, 176, 184, 186, 191, 197, 212, 218, 221, 230, 251, 257, 260, 268, 271, 273, 289, 295, 298, 309, 311, 327, 333, 336, 356, 371, 377, 380, 389, 403, 418, 424, 427, 435, 449, 464, 470, 473, 478, 480
Offset: 1

Views

Author

Michael Joseph Halm, Jul 31 2002

Keywords

Examples

			a(2) = 18 because the N in the first use of the word, in, is the tenth in the generating sentence.

References

  • M. J. Halm, Newies, Mpossibilities 64, p. 2 (Mar. 1997)

Links

Crossrefs

Cf. A005224, A014367, A072886, A072887.

Formula

From the generating sentence: "N est prima littera in hic sententiam, doudevicesima littera in hic sententiam, quarta vicesima littera in hic sententiam, septima vicesima littera in hic sententiam, tertia quinquagentesima littera in hic sententiam ...."
Showing 1-4 of 4 results.

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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