A037321 Numbers whose base-4 and base-10 expansions have the same digit sum.

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

Links

Table of n, a(n) for n=1..51.

Mathematica

Select[Range[300], Total[IntegerDigits[#]]==Total[IntegerDigits[#, 4]]&] (* Harvey P. Dale, Jan 20 2015 *)

Crossrefs

Cf. A007953, A053737.

Sequence in context: A201501 A370548 A302843 * A227745 A255567 A039565

Adjacent sequences: A037318 A037319 A037320 * A037322 A037323 A037324

Keyword

nonn,base

Author

Clark Kimberling

Status

approved