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 1-2 of 2 results.

A139357 Sequence describing the positions of the consonants when the sequence is written in French (version 2).

Original entry on oeis.org

20, 23, 1, 5, 3, 4, 6, 8, 9, 10, 11, 12, 15, 17, 18, 21, 22, 26, 27, 30, 31, 33, 35, 36, 39, 40, 43, 44, 46, 48, 49, 51, 54, 56, 59, 60, 62, 64, 65, 67, 68, 69, 71, 72, 75, 76, 78, 79, 80, 82, 84, 85, 87, 88, 89, 90, 93, 94, 96, 97, 98, 99, 101, 102, 104, 105
Offset: 1

Views

Author

N. J. A. Sloane (based on Angelini's article), Jun 08 2008

Keywords

Comments

The sequence depends on how the initial terms are selected - see the Angelini article for the precise definition.
The initial terms are selected such that the sequence starts with 6 even numbers less than 20. - Tyler Busby, Jan 01 2023

Links

  • Eric Angelini, Jeux de suites, in Dossier Pour La Science, pp. 32-35, Volume 59 (Jeux math'), April/June 2008, Paris.

Crossrefs

Cf. A139212, A139356, A139358.

Programs

  • PARI
    lista(n) = frconspos([20,23,1,5])(n)
/* see A139356 for frconspos() */
\\ Tyler Busby, Jan 01 2023

Extensions

More terms from Tyler Busby, Jan 01 2023

A139358 A non-monotonic analog of A139212 in which the sequence describes the positions of the consonants when the sequence is written in French (version 3).

Original entry on oeis.org

12, 4, 6, 10, 14, 18, 1, 9, 15, 17, 21, 23, 24, 26, 28, 29, 32, 34, 35, 38, 39, 42, 43, 45, 47, 48, 50, 51, 52, 54, 55, 56, 58, 60, 61, 63, 64, 65, 66, 67, 70, 71, 73, 74, 75, 76, 79, 80, 82, 84, 85, 86, 87, 89, 90, 92, 93, 94, 95, 98, 99, 101, 102, 103, 104
Offset: 1

Views

Author

N. J. A. Sloane (based on Angelini's article), Jun 08 2008

Keywords

Comments

The sequence depends on how the initial terms are selected - see the Angelini article for the precise definition.
The initial terms are selected such that the sequence starts with 6 even numbers less than 20. - Tyler Busby, Jan 06 2023

Links

  • Eric Angelini, Jeux de suites, in Dossier Pour La Science, pp. 32-35, Volume 59 (Jeux math'), April/June 2008, Paris.

Crossrefs

Cf. A139212, A139356, A139357.

Programs

  • PARI
    lista(n) = frconspos([12, 4, 6, 10, 14, 18])(n)
/* see A139356 for frconspos() */
\\ Tyler Busby, Jan 06 2023

Extensions

More terms from Tyler Busby, Jan 06 2023
Showing 1-2 of 2 results.

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

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