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A124701 Number of base 8 circular n-digit numbers with adjacent digits differing by 1 or less. 0
1, 8, 22, 50, 130, 338, 904, 2444, 6682, 18410, 51052, 142304, 398380, 1119308, 3154558, 8914010, 25246282, 71644298, 203665054, 579841286, 1653025900, 4718011460, 13479908926, 38548802570, 110327691316, 315985475588 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

COMMENTS

[Empirical] a(base,n)=a(base-1,n)+A002426(n+1) for base>=1.int(n/2)+1

PROG

(S/R) stvar $[N]:(0..M-1) init $[]:=0 asgn $[]->{*} kill +[i in 0..N-1](($[i]`-$[(i+1)mod N]`>1)+($[(i+1)mod N]`-$[i]`>1))

CROSSREFS

Sequence in context: A112684 A189584 A048489 * A002968 A058404 A126362

Adjacent sequences:  A124698 A124699 A124700 * A124702 A124703 A124704

KEYWORD

nonn,base

AUTHOR

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

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Last modified February 14 09:35 EST 2012. Contains 205614 sequences.