A037331 Numbers whose base-7 and base-8 expansions have the same digit sum.

1, 2, 3, 4, 5, 6, 91, 92, 93, 94, 95, 133, 134, 135, 176, 177, 178, 179, 180, 181, 217, 218, 219, 220, 221, 222, 223, 259, 260, 261, 262, 263, 304, 305, 306, 307, 385, 386, 387, 388, 389, 390, 391, 432, 433, 472, 473, 474, 475, 553

Offset

1,2

Links

Table of n, a(n) for n=1..50.

Formula

{n: A053828(n) = A053829(n).} - R. J. Mathar, Jun 30 2021

Mathematica

Select[Range[600], Total[IntegerDigits[#, 7]]==Total[IntegerDigits[#, 8]]&] (* Harvey P. Dale, Sep 05 2015 *)

Crossrefs

Sequence in context: A004857 A069882 A329580 * A037438 A171596 A318909

Adjacent sequences: A037328 A037329 A037330 * A037332 A037333 A037334

Keyword

nonn,base

Author

Clark Kimberling

Status

approved