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A124892 Number of base 14 circular n-digit numbers with adjacent digits differing by 2 or less. 1
1, 14, 64, 236, 1012, 4384, 19486, 87738, 399372, 1832672, 8464954, 39306138, 183315034, 858086906, 4029197992, 18969932356, 89518725372, 423283210304, 2004963114682, 9511428021442, 45182292435262, 214884038667702 (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..21.

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: A275127 A074354 A212743 * A126401 A275268 A304873

Adjacent sequences:  A124889 A124890 A124891 * A124893 A124894 A124895

KEYWORD

nonn,base

AUTHOR

R. H. Hardin, Dec 28 2006

STATUS

approved

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Last modified April 16 05:26 EDT 2021. Contains 343030 sequences. (Running on oeis4.)