A037412 Positive numbers having the same set of digits in base 2 and base 7.

1, 49, 50, 56, 343, 344, 350, 351, 392, 393, 399, 2401, 2402, 2408, 2409, 2450, 2451, 2457, 2458, 2744, 2745, 2751, 2752, 2793, 2794, 2800, 16807, 16808, 16814, 16815, 16856, 16857, 16863, 16864, 17150, 17151, 17157, 17158

Offset

1,2

Links

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

Prog

(PARI) isok(n) = Set(digits(n, 2)) == Set(digits(n, 7)); \\ John Cerkan, Jan 13 2017

Crossrefs

Subset of A033044.

Sequence in context: A266803 A050709 A371969 * A176309 A080201 A042199

Adjacent sequences: A037409 A037410 A037411 * A037413 A037414 A037415

Keyword

nonn,base

Author

Clark Kimberling

Extensions

Name edited by John Cerkan, Jan 14 2017

Status

approved