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A125441 Number of base 29 circular n-digit numbers with adjacent digits differing by 7 or less. 0
1, 29, 379, 4061, 50667, 644449, 8391139, 110770129, 1477678507, 19866024191, 268674919979, 3650362311603, 49772506083411, 680521511221503, 9324474025969369, 127975744665648451, 1758688074252097435 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

[Empirical] a(base,n)=a(base-1,n)+F(7) for base>=7.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]`-$[(i+1)mod N]`>7)+($[(i+1)mod N]`-$[i]`>7))

CROSSREFS

Sequence in context: A281059 A010834 A022721 * A142756 A142327 A160298

Adjacent sequences:  A125438 A125439 A125440 * A125442 A125443 A125444

KEYWORD

nonn,base

AUTHOR

R. H. Hardin, Dec 28 2006

STATUS

approved

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Last modified January 18 00:30 EST 2022. Contains 350410 sequences. (Running on oeis4.)