login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A032995 If d,e are consecutive digits of n in base 7, then |d-e|>=5. 1

%I

%S 1,2,3,4,5,6,13,35,42,43,91,92,250,251,299,300,307,642,643,650,1750,

%T 1757,1758,2093,2100,2101,2149,2150,4494,4501,4502,4550,4551,12255,

%U 12256,12304,12305,12312,14656,14657,14705,14706,14713

%N If d,e are consecutive digits of n in base 7, then |d-e|>=5.

%H Harvey P. Dale, <a href="/A032995/b032995.txt">Table of n, a(n) for n = 1..200</a>

%t Select[Range[15000],Min[Abs[IntegerDigits[#,7]//Differences]]>4&] (* _Harvey P. Dale_, Aug 15 2017 *)

%K nonn,base

%O 1,2

%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 January 17 22:33 EST 2022. Contains 350410 sequences. (Running on oeis4.)