%I A125410
%S A125410 1,22,244,2248,24016,261752,2919034,32990658,376556856,4328386504,
%T A125410 50008371494,579919916598,6743056184086,78556922876506,916464308940970,
%U A125410 10702363917790958,125070290398105880,1462347648998782744
%N A125410 Number of base 22 circular n-digit numbers with adjacent digits differing 
               by 6 or less.
%C A125410 [Empirical] a(base,n)=a(base-1,n)+F(6) for base>=6.int(n/2)+1 and F(d) 
               is the largest coefficient in (1+x+...+x^(2d))^n
%o A125410 (S/R) stvar $[N]:(0..M-1) init $[]:=0 asgn $[]->{*} kill +[i in 0..N-1](($[i]`-$[(i+1)mod 
               N]`>6)+($[(i+1)mod N]`-$[i]`>6))
%Y A125410 Sequence in context: A126903 A035706 A041930 this_sequence A109251 A072076 
               A028571
%Y A125410 Adjacent sequences: A125407 A125408 A125409 this_sequence A125411 A125412 
               A125413
%K A125410 nonn
%O A125410 0,2
%A A125410 Ron Hardin (rhhardin(AT)att.net), Dec 28 2006