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A125444 Number of base 32 circular n-digit numbers with adjacent digits differing by 7 or less. 0

%I

%S 1,32,424,4568,57432,735592,9646648,128268424,1723898392,23355640616,

%T 318418881444,4362769334956,60013762678824,828186113644064,

%U 11458464283369534,158866331111116138,2206333146498574632

%N Number of base 32 circular n-digit numbers with adjacent digits differing by 7 or less.

%C [Empirical] a(base,n)=a(base-1,n)+F(7) for base>=7.int(n/2)+1 and F(d) is the largest coefficient in (1+x+...+x^(2d))^n

%o (S/R) stvar $[N]:(0..M-1) init $[]:=0 asgn $[]->{*} kill +[i in 0..N-1](($[i]`-$[(i+1)mod N]`>7)+($[(i+1)mod N]`-$[i]`>7))

%K nonn,base

%O 0,2

%A _R. H. Hardin_, Dec 28 2006

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Last modified June 28 19:10 EDT 2022. Contains 354907 sequences. (Running on oeis4.)