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Search: id:A141325
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| 1, 1, 1, 1, 3, 5, 9, 13, 21, 33, 55, 89, 145, 233, 377, 609, 987, 1597, 2585, 4181, 6765, 10945, 17711, 28657, 46369, 75025, 121393, 196417, 317811, 514229, 832041, 1346269, 2178309, 3524577, 5702887, 9227465, 14930353, 24157817, 39088169
(list; graph; listen)
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OFFSET
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0,5
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FORMULA
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G.f.:(-1-x^4+x^2)/((x+1)*(x^2+x-1)*(1+x^2-x)) [From Maksym Voznyy (voznyy(AT)mail.ru), Aug 12 2009]
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CROSSREFS
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Cf. A140096, A140413, A014437.
Sequence in context: A058989 A049691 A136252 this_sequence A146905 A052282 A001993
Adjacent sequences: A141322 A141323 A141324 this_sequence A141326 A141327 A141328
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KEYWORD
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nonn,easy
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AUTHOR
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Paul Curtz (bpcrtz(AT)free.fr), Aug 03 2008
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EXTENSIONS
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Definition corrected by R. J. Mathar, Sep 16 2009
More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 27 2009
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