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A037432

Positive numbers having the same set of digits in base 5 and base 9.

1, 2, 3, 4, 11, 22, 121, 181, 199, 362, 849, 895, 900, 911, 994, 1074, 1084, 1495, 1703, 1711, 1723, 1739, 1794, 1800, 1813, 1822, 2225, 2287, 2288, 2299, 2385, 2469, 2513, 2515, 2945, 3001, 3006, 3034, 3117, 3249, 6582, 6663, 6759, 6761

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OFFSET

1,2

LINKS

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

EXAMPLE

362 is in the sequence because 362 in base 5 is 2422 and in base 9 it is 442.

MATHEMATICA

Select[Range[7000], Union[IntegerDigits[#, 5]]==Union[IntegerDigits[#, 9]]&] (* Harvey P. Dale, Mar 08 2011 *)

PROG

(PARI) is(n)=Set(digits(n, 5))==Set(digits(n, 9)) \\ Charles R Greathouse IV, Feb 11 2017

CROSSREFS

Subsequence of A037396.

Sequence in context: A118596 A139763 A037396 * A357360 A301877 A369438

Adjacent sequences: A037429 A037430 A037431 * A037433 A037434 A037435

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

EXTENSIONS

More terms from Don Reble, Apr 28 2006

STATUS

approved

URL: https://oeis.org/A037432

⇱ A037432 - OEIS