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Search: id:A077753
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| A077753 |
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a(1) = 1, a(2) = 2, a(2n) = a(2n-1)*a(2n-2), a(2n+1)= a(2n-1)+ a(2n). |
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+0
2
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| 1, 2, 3, 6, 9, 54, 63, 3402, 3465, 11787930, 11791395, 138996138862350, 138996150653745, 19319928257600060753067000750, 19319928257600199749217654495, 373259627878816004843210480238884928715510929499405871250
(list; graph; listen)
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OFFSET
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0,2
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CROSSREFS
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Cf. A104700.
Sequence in context: A002076 A145761 A071714 this_sequence A058911 A056060 A056058
Adjacent sequences: A077750 A077751 A077752 this_sequence A077754 A077755 A077756
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KEYWORD
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nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 20 2002
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EXTENSIONS
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More terms from Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Jan 04 2003
Edited by N. J. A. Sloane (njas(AT)research.att.com), May 21 2008 at the suggestion of R. J. Mathar
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