|
%I #7 Mar 31 2012 12:35:01
%S 1,11,79,491,3479,25161,185353,1377877,10296415,77159957,579124519,
%T 4350292705,32693711237,245763900549,1847696428671,13892325835221,
%U 104456760543551,785430024706513,5905865012106589,44408109269422365
%N Number of base 11 circular n-digit numbers with adjacent digits differing by 4 or less.
%C [Empirical] a(base,n)=a(base-1,n)+A025014(n+1) for base>=4.int(n/2)+1
%o (S/R) stvar $[N]:(0..M-1) init $[]:=0 asgn $[]->{*} kill +[i in 0..N-1](($[i]`-$[(i+1)mod N]`>4)+($[(i+1)mod N]`-$[i]`>4))
%K nonn,base
%O 0,2
%A _R. H. Hardin_, Dec 28 2006
|
