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A039587
Numbers whose base-6 representation has the same number of 1's, 3's and 5's.
0
0, 2, 4, 12, 14, 16, 24, 26, 28, 59, 69, 72, 74, 76, 84, 86, 88, 96, 98, 100, 119, 139, 144, 146, 148, 156, 158, 160, 168, 170, 172, 189, 199, 239, 249, 311, 321, 329, 341, 353, 354, 356, 358, 383, 393, 399, 411, 414, 416, 418, 423, 432, 434, 436, 444, 446
OFFSET
1,2
MATHEMATICA
sn135Q[n_]:=Module[{c=DigitCount[n, 6]}, c[[1]]==c[[3]]==c[[5]]]; Select[ Range[0, 500], sn135Q] (* Harvey P. Dale, Jan 21 2015 *)
CROSSREFS
Cf. A007092.
Sequence in context: A268494 A306851 A316634 * A194368 A111069 A107295
KEYWORD
nonn,base,easy
STATUS
approved