A033170 Positive numbers having the same set of digits in base 6 and base 7.

1, 2, 3, 4, 5, 68, 122, 246, 397, 425, 513, 625, 696, 970, 1062, 1167, 1215, 1244, 1251, 1576, 1722, 1787, 1823, 1871, 2406, 2413, 2532, 2574, 2660, 2844, 2851, 2856, 2857, 2858, 2859, 2860, 2861, 2864, 2865, 2872, 2879, 2900, 2954, 3005

Offset: 1

Author

Clark Kimberling

Keywords

• nonn
• base

Links

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

Crossrefs

Cf. A007092, A007093.

Programs

PARI

isok(n) = Set(digits(n, 6)) == Set(digits(n, 7)); \\ Michel Marcus, Jan 21 2017

Extensions

Edited by Don Reble, Apr 28 2006

Further edited by N. J. A. Sloane, Jan 17 2009 at the suggestion of R. J. Mathar