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A037312
Numbers whose base-3 and base-7 expansions have the same digit sum.
1
1, 2, 15, 16, 17, 21, 22, 23, 35, 57, 58, 59, 63, 64, 65, 78, 79, 80, 99, 100, 101, 112, 113, 119, 133, 134, 150, 151, 152, 156, 157, 158, 204, 205, 206, 210, 211, 212, 224, 294, 295, 296, 348, 349, 351, 352, 353, 366, 367, 368, 372
OFFSET
1,2
LINKS
MATHEMATICA
Select[Range[400], Total[IntegerDigits[#, 3]]==Total[IntegerDigits[ #, 7]]&] (* Harvey P. Dale, May 24 2012 *)
CROSSREFS
Sequence in context: A102101 A322149 A163480 * A267711 A108472 A039771
KEYWORD
nonn,base
STATUS
approved