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 A125411 Number of base 23 circular n-digit numbers with adjacent digits differing by 6 or less. 0
 1, 23, 257, 2375, 25485, 278903, 3123797, 35463983, 406719021, 4698846899, 54583098727, 636626661991, 7447641422289, 87321630757865, 1025514521755099, 12058435600011515, 141915563933099549 (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 Table of n, a(n) for n=0..16. 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: A010939 A022618 A042018 * A140620 A002681 A240876 Adjacent sequences: A125408 A125409 A125410 * A125412 A125413 A125414 KEYWORD nonn,base AUTHOR R. H. Hardin, Dec 28 2006 STATUS approved

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Last modified April 22 18:29 EDT 2024. Contains 371906 sequences. (Running on oeis4.)