A039528 Numbers whose base-12 representation has the same nonzero number of 3's and 9's.

45, 111, 189, 255, 333, 399, 441, 453, 465, 489, 501, 513, 525, 537, 540, 541, 542, 544, 545, 546, 547, 548, 550, 551, 561, 573, 621, 687, 765, 831, 909, 975, 1053, 1119, 1197, 1263, 1299, 1311, 1323, 1332, 1333, 1334, 1336, 1337, 1338, 1339

Offset

1,1

Links

Table of n, a(n) for n=1..46.

Mathematica

Select[Range[1500], DigitCount[#, 12, 3]==DigitCount[#, 12, 9]>0&] (* Harvey P. Dale, Jan 21 2015 *)

Crossrefs

Sequence in context: A043442 A044232 A044613 * A228058 A351533 A074770

Adjacent sequences: A039525 A039526 A039527 * A039529 A039530 A039531

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved