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%I
%S 1,32,154,578,2542,11242,51004,234168,1086342,5078522,23889964,
%T 112953048,536316184,2555650688,12215701582,58545624238,281245522518,
%U 1353858728442,6529181968828,31539774822672,152581524133232
%N Number of base 32 circular n-digit numbers with adjacent digits differing by 2 or less.
%C [Empirical] a(base,n)=a(base-1,n)+A005191(n+1) for base>=2.int(n/2)+1
%o (S/R) stvar $[N]:(0..M-1) init $[]:=0 asgn $[]->{*} kill +[i in 0..N-1](($[i]`-$[(i+1)mod N]`>2)+($[(i+1)mod N]`-$[i]`>2))
%K nonn,base
%O 0,2
%A _R. H. Hardin_, Dec 28 2006
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