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A125412
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Number of base 24 circular n-digit numbers with adjacent digits differing by 6 or less.
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0
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1, 24, 270, 2502, 26954, 296054, 3328560, 37937308, 436881314, 5069330622, 59159457800, 693395951272, 8153975122508, 96126641420704, 1135380985915012, 13429583316289952, 159020854550064418
(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(6) for base>=6.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]`-$[(i+1)mod N]`>6)+($[(i+1)mod N]`-$[i]`>6))
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CROSSREFS
| Sequence in context: A126904 A001413 A022065 * A187048 A000915 A006665
Adjacent sequences: A125409 A125410 A125411 * A125413 A125414 A125415
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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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