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A125392
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Number of base 29 circular n-digit numbers with adjacent digits differing by 5 or less.
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0
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1, 29, 289, 2309, 21589, 205179, 1997281, 19709719, 196617709, 1977552257, 20020401099, 203757946817, 2082804406009, 21367854312015, 219889215141535, 2268702606960279, 23459451945944285, 243045973961195761
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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COMMENTS
| [Empirical] a(base,n)=a(base-1,n)+F(5) for base>=5.int(n/2)+1 and F(d) is the largest coefficient in (1+x+...+x^(2d))^n
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PROG
| (S/R) stvar $[N]:(0..M-1) init $[]:=0 asgn $[]->{*} kill +[i in 0..N-1](($[i]`-$[(i+1)mod N]`>5)+($[(i+1)mod N]`-$[i]`>5))
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CROSSREFS
| Sequence in context: A153175 A124310 A101380 * A126550 A146015 A163708
Adjacent sequences: A125389 A125390 A125391 * A125393 A125394 A125395
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KEYWORD
| nonn,base
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AUTHOR
| R. H. Hardin (rhhardin(AT)att.net), Dec 28 2006
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