A038350 Numbers whose base-6 representation has the same nonzero number of 1's and 4's.

10, 25, 40, 52, 58, 60, 62, 63, 65, 70, 82, 97, 118, 133, 145, 150, 152, 153, 155, 157, 163, 175, 190, 205, 220, 232, 238, 240, 242, 243, 245, 250, 280, 292, 304, 310, 312, 314, 315, 317, 322, 328, 340, 346, 348, 350, 351, 353, 358, 360, 362, 363, 365, 370

Offset

1,1

Links

Table of n, a(n) for n=1..54.

Mathematica

okQ[n_]:=Module[{dcn6=DigitCount[n, 6]}, dcn6[[1]]==dcn6[[4]]>0]
Select[Range[500], okQ]  (* Harvey P. Dale, Feb 18 2011 *)

Crossrefs

Sequence in context: A014120 A003001 A198377 * A003344 A345853 A047721

Adjacent sequences: A038347 A038348 A038349 * A038351 A038352 A038353

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved