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A125337 Number of base 27 circular n-digit numbers with adjacent digits differing by 3 or less. 0
1, 27, 177, 915, 5545, 33997, 213621, 1359805, 8748521, 56739057, 370374447, 2430484743, 16019733493, 105982096949, 703383900487, 4681112144755, 31228495404521, 208772665807697, 1398339225679299, 9381662291084581 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

[Empirical] a(base,n)=a(base-1,n)+A025012(n+1) for base>=3.int(n/2)+1

LINKS

Table of n, a(n) for n=0..19.

PROG

(S/R) stvar $[N]:(0..M-1) init $[]:=0 asgn $[]->{*} kill +[i in 0..N-1](($[i]`-$[(i+1)mod N]`>3)+($[(i+1)mod N]`-$[i]`>3))

CROSSREFS

Sequence in context: A269054 A248234 A083560 * A126495 A224454 A258637

Adjacent sequences: A125334 A125335 A125336 * A125338 A125339 A125340

KEYWORD

nonn,base

AUTHOR

R. H. Hardin, Dec 28 2006

STATUS

approved

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Last modified April 1 13:17 EDT 2023. Contains 361691 sequences. (Running on oeis4.)