A037334 - OEIS

A037334

Numbers whose base-8 and base-9 expansions have the same digit sum.

1, 2, 3, 4, 5, 6, 7, 120, 121, 122, 123, 124, 125, 176, 177, 178, 179, 234, 235, 236, 237, 238, 239, 288, 289, 290, 291, 292, 293, 294, 295, 344, 345, 346, 347, 348, 349, 350, 459, 460, 461, 462, 463, 568, 569, 570, 571, 572, 573

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OFFSET

1,2

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000

FORMULA

{n: A053829(n) = A053830(n)}. - R. J. Mathar, Jun 30 2021

EXAMPLE

125 is in the sequence because 125 = (1,4,8)_9 = (1,7,5)_8 and 1+4+8 = 1+7+5. 126 is not in the sequence because 126 = (1,5,0)_9 = (1,7,6)_8 but 1+5+0 <> 1+7+6. - R. J. Mathar, Jun 30 2021

MATHEMATICA

Select[Range[600], Total[IntegerDigits[#, 8]]==Total[IntegerDigits[#, 9]]&] (* Harvey P. Dale, Mar 22 2026 *)

CROSSREFS

Cf. A053829, A053830.

Sequence in context: A331565 A171644 A246338 * A037441 A270436 A004869

Adjacent sequences: A037331 A037332 A037333 * A037335 A037336 A037337

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved