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A125387
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Number of base 24 circular n-digit numbers with adjacent digits differing by 5 or less.
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0
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1, 24, 234, 1854, 17134, 161174, 1552716, 15165944, 149730374, 1490228262, 14926037054, 150251733634, 1518627112228, 15399490881916, 156574262849028, 1595437555553204, 16285881610118342, 166484261636251310
(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: A022684 A027275 A027260 * A126545 A193168 A190020
Adjacent sequences: A125384 A125385 A125386 * A125388 A125389 A125390
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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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