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A125414 Number of base 26 circular n-digit numbers with adjacent digits differing by 6 or less. 0
1, 26, 296, 2756, 29892, 330356, 3738086, 42883958, 497205916, 5810305592, 68313427046, 807000192882, 9568842826626, 113794077582874, 1356389840390468, 16197239147470556, 193695966077033740 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

[Empirical] a(base,n)=a(base-1,n)+F(6) for base>=6.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]`-$[(i+1)mod N]`>6)+($[(i+1)mod N]`-$[i]`>6))

CROSSREFS

Sequence in context: A227332 A020925 A224331 * A208600 A010831 A022718

Adjacent sequences:  A125411 A125412 A125413 * A125415 A125416 A125417

KEYWORD

nonn,base

AUTHOR

R. H. Hardin, Dec 28 2006

STATUS

approved

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Last modified April 19 20:51 EDT 2019. Contains 322291 sequences. (Running on oeis4.)