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A125465 Number of base 30 circular n-digit numbers with adjacent digits differing by 8 or less. 0
1, 30, 438, 5286, 74118, 1060350, 15523062, 230350206, 3452974422, 52140983322, 791632788028, 12067463948240, 184503077226834, 2827152678453978, 43391225163337048, 666768677804237076, 10254893704624993254 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

[Empirical] a(base,n)=a(base-1,n)+F(8) for base>=8.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]`-$[(i+1)mod N]`>8)+($[(i+1)mod N]`-$[i]`>8))

CROSSREFS

Sequence in context: A296919 A010946 A022625 * A215193 A163130 A280856

Adjacent sequences:  A125462 A125463 A125464 * A125466 A125467 A125468

KEYWORD

nonn,base

AUTHOR

R. H. Hardin, Dec 28 2006

STATUS

approved

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Last modified October 29 17:37 EDT 2020. Contains 338067 sequences. (Running on oeis4.)