A139133 A self-descriptive sequence: positions of consonants in "two, one, five, seven, nine, eleven, thirteen, fifteen, ...".

2, 1, 5, 7, 9, 11, 13, 15, 16, 18, 21, 23, 25, 26, 27, 29, 30, 33, 34, 36, 37, 40, 41, 43, 44, 47, 50, 51, 52, 55, 56, 57, 59, 60, 61, 63, 65, 66, 68, 69, 70, 71, 72, 73, 76, 77, 79, 80, 81, 82, 84, 86, 87, 89, 90, 91, 92, 94, 95, 96, 98, 99

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• word
• easy

Comments

If there is a choice, pick the smallest number (or word) that makes sense. Hyphens and spaces are ignored.

References

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

Crossrefs

See A019270 (a version involving vowels rather than consonants) for further information.

For a French version of the "vowels" sequence see A139132.

Extensions

Edited by N. J. A. Sloane, Jan 04 2016 at the suggestion of Eric Angelini

More terms from Sean A. Irvine, Jan 06 2016