login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A037356 Numbers whose base-4 and base-9 expansions have no digits in common. 1
4, 5, 6, 7, 8, 10, 14, 15, 20, 21, 23, 32, 33, 34, 40, 41, 42, 43, 44, 45, 46, 49, 50, 51, 52, 53, 54, 58, 59, 60, 61, 62, 63, 65, 66, 67, 68, 69, 70, 71, 76, 77, 78, 79, 80, 130, 131, 136, 138, 139, 140, 142, 143, 160, 204, 205, 209, 211 (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[250], Intersection[IntegerDigits[#, 4], IntegerDigits[#, 9]]=={}&] (* Vincenzo Librandi, Jun 08 2012 *)

CROSSREFS

Sequence in context: A182305 A023373 A078778 * A139199 A003666 A334917

Adjacent sequences:  A037353 A037354 A037355 * A037357 A037358 A037359

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 23 03:42 EDT 2021. Contains 348211 sequences. (Running on oeis4.)