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A125364 Number of base 27 circular n-digit numbers with adjacent digits differing by 4 or less. 0

%I

%S 1,27,223,1467,11303,88377,707923,5747433,47168039,390278007,

%T 3250471333,27216501185,228895105331,1932205156259,16362201900939,

%U 138934036864707,1182486246555079,10084940483186669,86164966628165665

%N Number of base 27 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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Last modified August 15 17:39 EDT 2022. Contains 356148 sequences. (Running on oeis4.)