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A125400 Number of base 12 circular n-digit numbers with adjacent digits differing by 6 or less. 0
1, 12, 114, 978, 9326, 90242, 879720, 8596348, 84075398, 822546834, 8048253694, 78751777578, 770593650824, 7540371931312, 73783784770460, 721987009459748, 7064768636705670, 69129997621163354, 676449147398209026 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
COMMENTS
[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
LINKS
PROG
(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))
CROSSREFS
Sequence in context: A080630 A005543 A257287 * A331515 A154237 A006635
KEYWORD
nonn,base
AUTHOR
R. H. Hardin, Dec 28 2006
STATUS
approved

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Last modified March 28 17:25 EDT 2024. Contains 371254 sequences. (Running on oeis4.)