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Search: id:A102485
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| 1, 7, 29, 103, 341, 1087, 3389, 10423, 31781, 96367, 291149, 877543, 2640821, 7938847, 23849309, 71613463, 214971461, 645176527, 1936053869, 5809210183, 17429727701, 52293377407, 156888520829, 470682339703, 1412080573541, 4236308829487, 12709060706189
(list; graph; listen)
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OFFSET
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0,2
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REFERENCES
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B. M. E. Moret and H. D. Shapiro, Algorithms from P to NP, Benjamin/Cummings, Vol. 1, 1991; p. 63.
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FORMULA
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a(n) = 5*a(n - 1) - 6*a(n - 2).
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MAPLE
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a := proc(n) option remember; if n = 0 then RETURN(1) end if; if n = 1 then RETURN(7) end if; 5*a(n - 1) - 6*a(n - 2); end proc;
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CROSSREFS
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Sequence in context: A002664 A042609 A002941 this_sequence A049349 A124828 A037094
Adjacent sequences: A102482 A102483 A102484 this_sequence A102486 A102487 A102488
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KEYWORD
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nonn
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AUTHOR
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njas, Feb 25 2005
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EXTENSIONS
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New definition from Ralf Stephan, May 17 2007
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