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 A125322 Number of base 12 circular n-digit numbers with adjacent digits differing by 3 or less. 0
 1, 12, 72, 360, 2080, 12232, 73656, 449440, 2770016, 17195112, 107304872, 672224048, 4223186080, 26586825472, 167628931360, 1058056409920, 6683674433920, 42244783230496, 267124015799712, 1689602502335776 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS [Empirical] a(base,n)=a(base-1,n)+A025012(n+1) for base>=3.int(n/2)+1 LINKS 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: A036392 A035472 A036398 * A126480 A030235 A088166 Adjacent sequences: A125319 A125320 A125321 * A125323 A125324 A125325 KEYWORD nonn,base AUTHOR R. H. Hardin, Dec 28 2006 STATUS approved

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Last modified March 24 11:39 EDT 2023. Contains 361479 sequences. (Running on oeis4.)