A039234 Numbers whose base-12 representation has the same number of 2's and 7's.

0, 1, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 17, 18, 20, 21, 22, 23, 31, 36, 37, 39, 40, 41, 42, 44, 45, 46, 47, 48, 49, 51, 52, 53, 54, 56, 57, 58, 59, 60, 61, 63, 64, 65, 66, 68, 69, 70, 71, 72, 73, 75, 76, 77, 78, 80, 81, 82, 83, 86, 96, 97, 99, 100, 101, 102, 104

Offset

1,3

Links

Table of n, a(n) for n=1..69.

Mathematica

Select[Range[0, 150], DigitCount[#, 12, 2]==DigitCount[#, 12, 7]&] (* Harvey P. Dale, Oct 18 2016 *)

Crossrefs

Sequence in context: A216846 A288674 A183294 * A025020 A028974 A184427

Adjacent sequences: A039231 A039232 A039233 * A039235 A039236 A039237

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved