A037356 Numbers whose base-4 and base-9 expansions have no digits in common.

4, 5, 6, 7, 8, 10, 14, 15, 20, 21, 23, 32, 33, 34, 40, 41, 42, 43, 44, 45, 46, 49, 50, 51, 52, 53, 54, 58, 59, 60, 61, 62, 63, 65, 66, 67, 68, 69, 70, 71, 76, 77, 78, 79, 80, 130, 131, 136, 138, 139, 140, 142, 143, 160, 204, 205, 209, 211

Offset

1,1

Links

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

Mathematica

  Select[Range[250], Intersection[IntegerDigits[#, 4], IntegerDigits[#, 9]]=={}&] (* Vincenzo Librandi, Jun 08 2012 *)

Crossrefs

Sequence in context: A182305 A023373 A078778 * A139199 A003666 A334917

Adjacent sequences: A037353 A037354 A037355 * A037357 A037358 A037359

Keyword

nonn,base

Author

Clark Kimberling

Status

approved