A039261 Numbers whose base-12 representation has the same number of 6's and 8's.

0, 1, 2, 3, 4, 5, 7, 9, 10, 11, 12, 13, 14, 15, 16, 17, 19, 21, 22, 23, 24, 25, 26, 27, 28, 29, 31, 33, 34, 35, 36, 37, 38, 39, 40, 41, 43, 45, 46, 47, 48, 49, 50, 51, 52, 53, 55, 57, 58, 59, 60, 61, 62, 63, 64, 65, 67, 69, 70, 71, 80, 84, 85, 86, 87, 88, 89, 91

Offset

1,3

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Mathematica

Select[Range[0, 100], DigitCount[#, 12, 6] == DigitCount[#, 12, 8] &] (* Vincenzo Librandi, Oct 20 2012 *)

Prog

(Magma) [n: n in [0..100] | Multiplicity(S, 6) eq Multiplicity(S, 8) where S is {*d: d in Intseq(n, 12)*}]; // Bruno Berselli, Oct 20 2012

Crossrefs

Sequence in context: A247665 A117331 A080612 * A039201 A039151 A039110

Adjacent sequences: A039258 A039259 A039260 * A039262 A039263 A039264

Keyword

nonn,base,easy

Author

Olivier Gérard

Extensions

An incorrect g.f. was deleted by N. J. A. Sloane, Sep 13 2009

Status

approved