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Search: id:A152064
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| 5, 4, 9, 32, 85, 180, 329, 544, 837, 1220, 1705, 2304, 3029, 3892, 4905, 6080, 7429, 8964, 10697, 12640, 14805, 17204, 19849, 22752, 25925, 29380, 33129, 37184, 41557, 46260, 51305, 56704, 62469, 68612, 75145, 82080, 89429, 97204, 105417, 114080, 123205
(list; graph; listen)
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OFFSET
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0,1
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REFERENCES
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P. Curtz, Integration numerique des systemes differentiels a conditions initiales, 135 pages, Centre de Calcul Scientifique de l'Armement, Arcueil, 1969.
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FORMULA
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a(n)=3a(n-1)-3a(n-2)+a(n-3)+12.
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CROSSREFS
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Sequence in context: A022344 A046588 A086654 this_sequence A088482 A163888 A089520
Adjacent sequences: A152061 A152062 A152063 this_sequence A152065 A152066 A152067
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KEYWORD
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nonn
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AUTHOR
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Paul Curtz (bpcrtz(AT)free.fr), Nov 23 2008
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EXTENSIONS
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Simpler definition and more terms from Paolo P. Lava (ppl(AT)spl.at), Nov 27 2008
Edited by N. J. A. Sloane (njas(AT)research.att.com), Jan 04 2008
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