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A125367 Number of base 30 circular n-digit numbers with adjacent digits differing by 4 or less. 0

%I

%S 1,30,250,1650,12770,100230,805906,6566814,54086114,449108706,

%T 3753661210,31540650842,266200099346,2255103585986,19164991781962,

%U 163321999341570,1395146780098946,11942807195629546,102422953911204100

%N Number of base 30 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 April 10 11:35 EDT 2021. Contains 342845 sequences. (Running on oeis4.)