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1, 17, 43, 79, 125, 181, 247, 323, 409, 505, 611, 727, 853, 989, 1135, 1291, 1457, 1633, 1819, 2015, 2221, 2437, 2663, 2899, 3145, 3401, 3667, 3943, 4229, 4525, 4831, 5147, 5473, 5809, 6155, 6511, 6877, 7253, 7639, 8035, 8441, 8857, 9283, 9719, 10165
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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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a(n)= +3*a(n-1) -3*a(n-2) +a(n-3). G.f.: (-1-14*x+5*x^2)/(x-1)^3. - R. J. Mathar, Jan 04 2011
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MATHEMATICA
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Table[5 n^2 + 11 n + 1, {n, 0, 30}] (* or *) CoefficientList[Series[(-1 - 14 x + 5 x^2)/(x - 1)^3, {x, 0, 30}], x] (* Vincenzo Librandi, Aug 20 2014 *)
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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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STATUS
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approved
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