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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
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OFFSET
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0,2
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COMMENTS
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[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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LINKS
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PROG
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(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
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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