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A125452 Number of base 17 circular n-digit numbers with adjacent digits differing by 8 or less. 0
1, 17, 217, 2465, 31465, 409037, 5372965, 70853093, 935884585, 12370240043, 163551397657, 2162617244343, 28597315302781, 378163094731205, 5000764642734763, 66129475365595985, 874488915318715897 (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: A016293 A139733 A016185 * A322538 A016238 A016181

Adjacent sequences:  A125449 A125450 A125451 * A125453 A125454 A125455

KEYWORD

nonn,base

AUTHOR

R. H. Hardin, Dec 28 2006

STATUS

approved

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Last modified May 21 11:28 EDT 2022. Contains 353908 sequences. (Running on oeis4.)