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A124957 Number of base 29 circular n-digit numbers with adjacent digits differing by 2 or less. 0
1, 29, 139, 521, 2287, 10099, 45751, 209763, 971847, 4537547, 21319129, 100678563, 477482659, 2272723391, 10851284317, 51949675591, 249291056151, 1198762801227, 5775145319281, 27868380808227, 134681613733997 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

[Empirical] a(base,n)=a(base-1,n)+A005191(n+1) for base>=2.int(n/2)+1

LINKS

Table of n, a(n) for n=0..20.

PROG

(S/R) stvar $[N]:(0..M-1) init $[]:=0 asgn $[]->{*} kill +[i in 0..N-1](($[i]`-$[(i+1)mod N]`>2)+($[(i+1)mod N]`-$[i]`>2))

CROSSREFS

Sequence in context: A162834 A145980 A142622 * A126416 A023277 A299109

Adjacent sequences:  A124954 A124955 A124956 * A124958 A124959 A124960

KEYWORD

nonn,base

AUTHOR

R. H. Hardin, Dec 28 2006

STATUS

approved

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Last modified September 28 11:24 EDT 2022. Contains 357070 sequences. (Running on oeis4.)