A241858 Positions of vowels in "one, two, three, four, five, six, ...".

1, 3, 6, 10, 11, 13, 14, 17, 19, 21, 24, 26, 28, 29, 34, 36, 38, 40, 42, 44, 48, 51, 54, 57, 58, 61, 62, 65, 66, 69, 72, 73, 76, 79, 80, 83, 85, 88, 89, 91, 92, 96, 97, 100, 102, 104, 105, 109, 115, 119, 121, 124, 130, 133, 140, 141, 144, 149, 150, 154, 159, 161, 164, 169

Offset

1,2

Comments

Consider only letters, but not spaces or punctuation.

Links

M. F. Hasler, Table of n, a(n) for n = 1..10^4

Example

The letters in "four" are the twelfth through fifteenth letters in "one, two, three, four, five, six, ...". The o and u, which are 13 and 14, are vowels.

Prog

(PARI) A241858_vec(N, v=Vec("aeiou"), n, s, p, o)=vector(N, j, until( setsearch(v, s[p-o]), o+#s<p++ && o+=#s+!s=[c|c<-Vec(English(n+=1)), c>"@"]); p) \\ see A052360 for English(). - M. F. Hasler, Aug 11 2020

Crossrefs

Cf. A005589, A052360.

Sequence in context: A073851 A290541 A043321 * A231668 A123053 A221129

Adjacent sequences: A241855 A241856 A241857 * A241859 A241860 A241861

Keyword

nonn,word

Author

J. Lowell, Apr 30 2014

Extensions

More terms from Alois P. Heinz, Apr 30 2014

a(62)-a(64) from M. F. Hasler, Aug 11 2020

Status

approved