A039181 Numbers whose base-11 representation has the same number of 2's and 10's.

0, 1, 3, 4, 5, 6, 7, 8, 9, 11, 12, 14, 15, 16, 17, 18, 19, 20, 32, 33, 34, 36, 37, 38, 39, 40, 41, 42, 44, 45, 47, 48, 49, 50, 51, 52, 53, 55, 56, 58, 59, 60, 61, 62, 63, 64, 66, 67, 69, 70, 71, 72, 73, 74, 75, 77, 78, 80, 81, 82, 83, 84, 85, 86, 88, 89, 91, 92, 93, 94

Offset

1,3

Links

Table of n, a(n) for n=1..70.

Mathematica

b11Q[n_]:=Module[{idn11=DigitCount[n, 11]}, idn11[[2]]==idn11[[10]]]; Select[Range[0, 100], b11Q] (* Harvey P. Dale, Oct 19 2011 *)

Crossrefs

Sequence in context: A026469 A258187 A039237 * A298111 A299534 A026454

Adjacent sequences: A039178 A039179 A039180 * A039182 A039183 A039184

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved