%I #7 Mar 31 2012 12:35:02
%S 1,29,241,1589,12281,96279,773245,6293687,51780089,429498473,
%T 3585931251,30099267623,253765101341,2147470776077,18230728488283,
%U 155192678512659,1324259934723241,11323518226156213,97003621972668547
%N Number of base 29 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
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