A037414 Positive numbers having the same set of digits in base 2 and base 9.

1, 9, 81, 82, 90, 729, 730, 738, 739, 810, 811, 819, 6561, 6562, 6570, 6571, 6642, 6643, 6651, 6652, 7290, 7291, 7299, 7300, 7371, 7372, 7380, 59049, 59050, 59058, 59059, 59130, 59131, 59139, 59140, 59778, 59779, 59787, 59788, 59859, 59860, 59868, 59869

Offset: 1

Author

Clark Kimberling

Keywords

• nonn
• base

Links

• John Cerkan, Table of n, a(n) for n = 1..10000

Crossrefs

Subsequence of A033046.

Programs

PARI

isok(n) = Set(binary(n)) == Set(digits(n, 9)); \\ Michel Marcus, Jan 21 2017

Extensions

Name edited by John Cerkan, Jan 20 2017

a(28)-a(43) from John Cerkan, Jan 20 2017