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A125449 Number of base 14 circular n-digit numbers with adjacent digits differing by 8 or less. 0
1, 14, 166, 1814, 21646, 260634, 3150976, 38131968, 461600902, 5588325698, 67656232726, 819100333142, 9916703328088, 120059853232840, 1453544637963500, 17597823650746284, 213053933013850118 (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: A228422 A218089 A273587 * A159738 A062148 A200164

Adjacent sequences:  A125446 A125447 A125448 * A125450 A125451 A125452

KEYWORD

nonn,base

AUTHOR

R. H. Hardin, Dec 28 2006

STATUS

approved

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Last modified October 22 19:53 EDT 2019. Contains 328319 sequences. (Running on oeis4.)