A014181 Numbers > 9 with all digits the same.

11, 22, 33, 44, 55, 66, 77, 88, 99, 111, 222, 333, 444, 555, 666, 777, 888, 999, 1111, 2222, 3333, 4444, 5555, 6666, 7777, 8888, 9999, 11111, 22222, 33333, 44444, 55555, 66666, 77777, 88888, 99999, 111111, 222222, 333333, 444444, 555555, 666666, 777777, 888888

Offset

1,1

Comments

Original definition: Numbers in which all digits are repeated. (This would also include all terms of A033023 (e.g., 1100, 1122, ...) and maybe also 1010, 1212, etc.) - M. F. Hasler, Jun 24 2016

Links

Table of n, a(n) for n=1..44.

Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 11, 0, 0, 0, 0, 0, 0, 0, 0, -10).

Mathematica

Table[Map[FromDigits@ Table[#, k] &, Range@ 9], {k, 2, 6}] // Flatten (* Michael De Vlieger, Jun 24 2016 *)

Prog

(PARI) A014181(n)=10^((n+17)\9)\9*((n-1)%9+1) \\ See A010785 for a nxt() function. - M. F. Hasler, Jun 24 2016

Crossrefs

Same as A010785 except for one-digit numbers.

Sequence in context: A369347 A239019 A033023 * A302438 A068900 A083852

Adjacent sequences: A014178 A014179 A014180 * A014182 A014183 A014184

Keyword

nonn,base

Author

N. J. A. Sloane.

Extensions

Better definition and offset changed to 1 by M. F. Hasler, Jun 24 2016

Status

approved