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Search: id:A125334
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| A125334 |
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Number of base 24 circular n-digit numbers with adjacent digits differing by 3 or less. |
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+0
1
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| 1, 24, 156, 804, 4852, 29644, 185628, 1177732, 7552820, 48830268, 317759976, 2078811792, 13659968764, 90095534852, 596129318920, 3955237896544, 26305462766900, 175320838970108, 1170655876964172, 7829668140011476
(list; graph; listen)
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OFFSET
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0,2
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COMMENT
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[Empirical] a(base,n)=a(base-1,n)+A025012(n+1) for base>=3.int(n/2)+1
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PROGRAM
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(S/R) stvar $[N]:(0..M-1) init $[]:=0 asgn $[]->{*} kill +[i in 0..N-1](($[i]`-$[(i+1)mod N]`>3)+($[(i+1)mod N]`-$[i]`>3))
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CROSSREFS
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Sequence in context: A001702 A004308 A008663 this_sequence A126492 A136380 A019583
Adjacent sequences: A125331 A125332 A125333 this_sequence A125335 A125336 A125337
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KEYWORD
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nonn
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AUTHOR
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Ron Hardin (rhhardin(AT)att.net), Dec 28 2006
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