A037323 Numbers whose base-5 and base-7 expansions have the same digit sum.

1, 2, 3, 4, 15, 16, 17, 18, 19, 28, 29, 42, 43, 44, 50, 51, 52, 53, 54, 65, 66, 67, 68, 69, 77, 78, 79, 91, 92, 93, 94, 100, 101, 102, 103, 104, 115, 116, 117, 118, 161, 162, 163, 164, 189, 210, 211, 212, 213, 214, 238, 239, 259, 273, 274

Offset

1,2

Links

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

Mathematica

Select[Range[300], Total[IntegerDigits[#, 5]]==Total[IntegerDigits[#, 7]]&] (* Harvey P. Dale, Oct 07 2014 *)
Select[Range[300], DigitSum[#, 5]==DigitSum[#, 7]&] (* Harvey P. Dale, Jun 08 2026 *)

Crossrefs

Sequence in context: A347335 A348672 A334619 * A065812 A081350 A173320

Adjacent sequences: A037320 A037321 A037322 * A037324 A037325 A037326

Keyword

nonn,base,changed

Author

Clark Kimberling

Status

approved