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Search: id:A001585
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| 1, 4, 17, 54, 145, 368, 945, 2530, 7073, 20412, 60049, 178478, 533169, 1596520, 4785713, 14352282, 43050817, 129145076, 387426321, 1162268326, 3486792401, 10460362464, 31381070257, 94143190994
(list; graph; listen)
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OFFSET
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0,2
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LINKS
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R. K. Hoeflin, Titan Test
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FORMULA
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G.f.:(-1+2*x^4+15*x^3-7*x^2+3*x)/((3*x-1)*(x-1)^4) [From Maksym Voznyy (voznyy(AT)mail.ru), Jul 27 2009]
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MAPLE
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seq(seq(k^n+n^k, k=3..3), n=0..23); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jun 29 2007
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CROSSREFS
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Sequence in context: A047668 A092091 A046995 this_sequence A060262 A157492 A108140
Adjacent sequences: A001582 A001583 A001584 this_sequence A001586 A001587 A001588
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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