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A125321 Number of base 11 circular n-digit numbers with adjacent digits differing by 3 or less. 0
1, 11, 65, 323, 1849, 10781, 64325, 388749, 2371457, 14559461, 89788425, 555446661, 3443457697, 21379001421, 132867762617, 826329001973, 5141530912065, 32001680946301, 199227543918473, 1240485517109477 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

COMMENTS

[Empirical] a(base,n)=a(base-1,n)+A025012(n+1) for base>=3.int(n/2)+1

PROG

(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))

CROSSREFS

Sequence in context: A161776 A054333 A036601 * A054490 A126479 A139611

Adjacent sequences:  A125318 A125319 A125320 * A125322 A125323 A125324

KEYWORD

nonn,base

AUTHOR

R. H. Hardin (rhhardin(AT)att.net), Dec 28 2006

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Last modified February 15 04:59 EST 2012. Contains 205694 sequences.