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A125444 Number of base 32 circular n-digit numbers with adjacent digits differing by 7 or less. 0
1, 32, 424, 4568, 57432, 735592, 9646648, 128268424, 1723898392, 23355640616, 318418881444, 4362769334956, 60013762678824, 828186113644064, 11458464283369534, 158866331111116138, 2206333146498574632 (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: A145403 A125116 A145217 * A022692 A160142 A159544

Adjacent sequences:  A125441 A125442 A125443 * A125445 A125446 A125447

KEYWORD

nonn,base

AUTHOR

R. H. Hardin, Dec 28 2006

STATUS

approved

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Last modified May 21 14:54 EDT 2022. Contains 353921 sequences. (Running on oeis4.)