Search: id:A125321
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%I A125321
%S A125321 1,11,65,323,1849,10781,64325,388749,2371457,14559461,89788425,
%T A125321 555446661,3443457697,21379001421,132867762617,826329001973,
%U A125321 5141530912065,32001680946301,199227543918473,1240485517109477
%N A125321 Number of base 11 circular n-digit numbers with adjacent digits differing 
               by 3 or less.
%C A125321 [Empirical] a(base,n)=a(base-1,n)+A025012(n+1) for base>=3.int(n/2)+1
%o A125321 (S/R) stvar $[N]:(0..M-1) init $[]:=0 asgn $[]->{*} kill +[i in 0..N-1](($[i]`-$[(i+1)mod 
               N]`>3)+($[(i+1)mod N]`-$[i]`>3))
%Y A125321 Sequence in context: A163706 A054333 A036601 this_sequence A054490 A126479 
               A139611
%Y A125321 Adjacent sequences: A125318 A125319 A125320 this_sequence A125322 A125323 
               A125324
%K A125321 nonn
%O A125321 0,2
%A A125321 Ron Hardin (rhhardin(AT)att.net), Dec 28 2006

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