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A037321
Numbers whose base-4 and base-10 expansions have the same digit sum.
0
1, 2, 3, 12, 13, 14, 15, 20, 21, 22, 23, 40, 41, 42, 43, 50, 51, 60, 61, 62, 63, 104, 105, 106, 107, 112, 113, 114, 115, 124, 125, 126, 127, 130, 131, 140, 141, 142, 143, 150, 151, 170, 171, 190, 191, 204, 205, 206, 207, 212, 213
OFFSET
1,2
MATHEMATICA
Select[Range[300], Total[IntegerDigits[#]]==Total[IntegerDigits[#, 4]]&] (* Harvey P. Dale, Jan 20 2015 *)
CROSSREFS
Sequence in context: A201501 A370548 A302843 * A227745 A255567 A039565
KEYWORD
nonn,base
STATUS
approved