A039584 Numbers whose base-6 representation has the same number of 1's, 2's and 4's.

0, 3, 5, 18, 21, 23, 30, 33, 35, 52, 62, 82, 97, 108, 111, 113, 126, 129, 131, 138, 141, 143, 152, 157, 180, 183, 185, 198, 201, 203, 210, 213, 215, 232, 242, 292, 310, 312, 315, 317, 322, 340, 350, 362, 372, 375, 377, 380, 392, 412, 422, 442, 457, 472, 490

Offset

1,2

Links

Table of n, a(n) for n=1..55.

Mathematica

s124Q[n_]:=Module[{dc6=DigitCount[n, 6]}, dc6[[1]]==dc6[[2]]==dc6[[4]]]; Select[Range[0, 500], s124Q] (* Harvey P. Dale, Oct 20 2015 *)

Crossrefs

Cf. A007092.

Sequence in context: A007516 A249759 A358342 * A191717 A373405 A136131

Adjacent sequences: A039581 A039582 A039583 * A039585 A039586 A039587

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved