A037320 Numbers whose base-4 and base-9 expansions have the same digit sum.

1, 2, 3, 28, 29, 30, 31, 54, 55, 100, 101, 102, 103, 198, 199, 248, 249, 250, 251, 270, 271, 342, 343, 441, 442, 443, 488, 489, 490, 491, 752, 753, 754, 755, 774, 775, 824, 825, 826, 827, 873, 874, 875, 920, 921, 922, 923, 945

Offset

1,2

Links

Table of n, a(n) for n=1..48.

Mathematica

Select[Range[1000], Total[IntegerDigits[#, 4]]==Total[IntegerDigits[#, 9]]&] (* Harvey P. Dale, Jun 23 2017 *)

Crossrefs

Sequence in context: A279148 A279825 A279962 * A010344 A037316 A032813

Adjacent sequences: A037317 A037318 A037319 * A037321 A037322 A037323

Keyword

nonn,base

Author

Clark Kimberling

Status

approved