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A010004
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a(0) = 1, a(n) = 13*n^2 + 2 for n>0.
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1
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1, 15, 54, 119, 210, 327, 470, 639, 834, 1055, 1302, 1575, 1874, 2199, 2550, 2927, 3330, 3759, 4214, 4695, 5202, 5735, 6294, 6879, 7490, 8127, 8790, 9479, 10194, 10935, 11702, 12495, 13314, 14159, 15030, 15927, 16850, 17799, 18774, 19775, 20802, 21855, 22934
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OFFSET
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0,2
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LINKS
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FORMULA
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MATHEMATICA
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Join[{1}, LinearRecurrence[{3, -3, 1}, {15, 54, 119}, 50]] (* Vincenzo Librandi, Aug 03 2015 *)
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PROG
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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