A000981 Numbers beginning with letter 'n' in English.

9, 19, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 900, 901, 902, 903, 904, 905, 906, 907, 908, 909, 910, 911, 912, 913, 914, 915, 916, 917, 918, 919, 920, 921, 922, 923, 924, 925, 926, 927, 928, 929, 930

Offset

1,1

Links

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

Mathematica

Select[Range[10^3], Function[d, Or[And[Mod[IntegerLength@ #, 3] == 2, FromDigits@ Take[d, 2] == 19], First@ d == 9]]@ IntegerDigits@ # &] (* Michael De Vlieger, Feb 13 2017 *)

Crossrefs

Subsequence of A125299.

Cf. A000865, A000867, A000870, A000873, A006092.

Sequence in context: A334640 A259093 A186508 * A060227 A171066 A068174

Adjacent sequences: A000978 A000979 A000980 * A000982 A000983 A000984

Keyword

word,nonn

Author

N. J. A. Sloane

Extensions

Edited by John Cerkan, Feb 13 2017

Status

approved