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Search: id:A125324
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| A125324 |
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Number of base 14 circular n-digit numbers with adjacent digits differing by 3 or less. |
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+0
1
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| 1, 14, 86, 434, 2542, 15134, 92318, 570822, 3567150, 22467638, 142378416, 906569832, 5794153978, 37142273910, 238653335454, 1536292377434, 9904175388110, 63924370849750, 412963549917890, 2669744556760982
(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: A054149 A025607 A059600 this_sequence A126482 A116343 A034544
Adjacent sequences: A125321 A125322 A125323 this_sequence A125325 A125326 A125327
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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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