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Search: id:A125339
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| A125339 |
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Number of base 29 circular n-digit numbers with adjacent digits differing by 3 or less. |
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+0
1
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| 1, 29, 191, 989, 6007, 36899, 232283, 1481187, 9545655, 62011583, 405450761, 2664933377, 17592909979, 116573138347, 774886954865, 5165028310229, 34510517162935, 231073883699423, 1550128124848997, 10416325061012499
(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: A142407 A042640 A140573 this_sequence A126497 A087767 A142226
Adjacent sequences: A125336 A125337 A125338 this_sequence A125340 A125341 A125342
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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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