A037427 - OEIS

A037427

Positive numbers having the same set of digits in base 4 and base 9.

1, 2, 3, 81, 93, 101, 110, 162, 191, 243, 244, 253, 837, 919, 921, 973, 1001, 1486, 1540, 1541, 1557, 1566, 1711, 2206, 2270, 2350, 2358, 6660, 6661, 6662, 6663, 6671, 6724, 6725, 6735, 6833, 7293, 7311, 7319, 7536, 7543, 8040, 8121, 8184

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OFFSET

1,2

LINKS

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

MATHEMATICA

Select[Range[10^4], Union@ IntegerDigits[#, 4] == Union@ IntegerDigits[#, 9] &] (* Michael De Vlieger, Feb 07 2017 *)

PROG

(PARI) is(n)=Set(digits(n, 4))==Set(digits(n, 9)) \\ Charles R Greathouse IV, Feb 11 2017

CROSSREFS

Sequence in context: A371228 A068185 A037391 * A042549 A365291 A182343

Adjacent sequences: A037424 A037425 A037426 * A037428 A037429 A037430

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

EXTENSIONS

Corrected by Don Reble, Apr 28 2006

Name edited by John Cerkan, Feb 06 2017

STATUS

approved