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A037396 Numbers n such that every base 5 digit of n is a base 9 digit of n. 7
1, 2, 3, 4, 11, 22, 93, 121, 124, 126, 156, 181, 199, 317, 362, 598, 750, 751, 752, 755, 756, 758, 768, 770, 771, 775, 776, 780, 781, 785, 796, 812, 831, 841, 843, 849, 859, 895, 900, 906, 907, 911, 912, 918, 922, 927, 931, 932 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

PROG

(Haskell)

import Data.List ((\\), nub)

a037396 n = a037396_list !! (n-1)

a037396_list = filter f [1..] where

   f x = null $ nub (ds 5 x) \\ nub (ds 9 x)

   ds b x = if x > 0 then d : ds b x' else []  where (x', d) = divMod x b

-- Reinhard Zumkeller, May 30 2013

(PARI) is(n)=#setminus(Set(digits(n, 5)), Set(digits(n, 9)))==0 \\ Charles R Greathouse IV, Feb 11 2017

CROSSREFS

Cf. A037393, A037394, A037395, A037397.

Sequence in context: A066347 A118596 A139763 * A037432 A221172 A116054

Adjacent sequences:  A037393 A037394 A037395 * A037397 A037398 A037399

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified April 28 23:30 EDT 2017. Contains 285604 sequences.