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!)
A037359 Numbers whose base-5 and base-7 expansions have no digits in common. 1

%I

%S 5,6,10,12,13,15,16,18,19,20,21,22,24,25,26,27,30,31,32,33,40,41,42,

%T 44,45,47,48,60,62,78,85,88,89,90,92,93,97,98,99,118,120,121,124,125,

%U 128,130,131,145,146,170,171,174,180,181,182,185

%N Numbers whose base-5 and base-7 expansions have no digits in common.

%H Vincenzo Librandi, <a href="/A037359/b037359.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Range[200],Intersection[IntegerDigits[#,5],IntegerDigits[#,7]]=={}&] (* _Vincenzo Librandi_, Jun 08 2012 *)

%K nonn,base

%O 1,1

%A _Clark Kimberling_

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 27 14:47 EDT 2021. Contains 348282 sequences. (Running on oeis4.)