A000867 Numbers beginning with letter 'f' in English.

4, 5, 14, 15, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 400, 401, 402, 403, 404, 405, 406, 407, 408, 409, 410, 411, 412, 413, 414, 415, 416, 417, 418, 419, 420, 421, 422, 423, 424, 425, 426, 427, 428, 429, 430, 431, 432

Offset

1,1

Links

John Cerkan, Table of n, a(n) for n = 1..10000

Mathematica

Select[Range[1000], First[Characters[IntegerName[#, "Words"]]]=="f"&] (* James C. McMahon, Dec 11 2023 *)

Crossrefs

Subsequence of A125299.

Cf. A000865, A000870, A000873, A000981, A006092.

Sequence in context: A091311 A008540 A290810 * A191142 A049770 A262903

Adjacent sequences: A000864 A000865 A000866 * A000868 A000869 A000870

Keyword

word,nonn

Author

N. J. A. Sloane

Extensions

More terms from John Cerkan, Feb 11 2017

Status

approved