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A037341 Numbers n such that no base 2 digit of n is a base 7 digit of n. 1
2, 3, 4, 5, 6, 16, 17, 18, 19, 20, 23, 24, 25, 26, 27, 30, 31, 32, 33, 34, 37, 38, 39, 40, 41, 44, 45, 46, 47, 48, 114, 115, 116, 117, 118, 121, 122, 123, 124, 125, 128, 129, 130, 131, 132, 135, 136, 137, 138, 139, 142, 143, 144, 145 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

MATHEMATICA

Select[Range[200], Intersection[IntegerDigits[#, 2], IntegerDigits[#, 7]]=={}&] (* Vincenzo Librandi, Jun 07 2012 *)

CROSSREFS

Sequence in context: A265405 A171610 A004835 * A228730 A062932 A166098

Adjacent sequences:  A037338 A037339 A037340 * A037342 A037343 A037344

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified June 19 12:57 EDT 2019. Contains 324222 sequences. (Running on oeis4.)