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A153057
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a(0)=3; a(n)=n^2+a(n-1), n>=0.
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5
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3, 4, 8, 17, 33, 58, 94, 143, 207, 288, 388, 509, 653, 822, 1018, 1243, 1499, 1788, 2112, 2473, 2873, 3314, 3798, 4327, 4903, 5528, 6204, 6933, 7717, 8558, 9458, 10419, 11443, 12532, 13688, 14913, 16209, 17578, 19022, 20543, 22143, 23824, 25588
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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FORMULA
| G.f.: (3-8x+10x^2-3x^3)/(1-x)^4. a(n)=3+A000330(n). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 17 2009
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MATHEMATICA
| a=3; lst={}; Do[a=n^2+a; AppendTo[lst, a], {n, 0, 5!}]; lst
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CROSSREFS
| Cf. A056520, A153056
Sequence in context: A202025 A049894 A198633 * A192474 A183494 A107429
Adjacent sequences: A153054 A153055 A153056 * A153058 A153059 A153060
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KEYWORD
| nonn
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AUTHOR
| Vladimir Orlovsky (4vladimir(AT)gmail.com), Dec 17 2008
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EXTENSIONS
| Added indices to definition. Corrected offset R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 17 2009
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