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1, 2, 1, 0, 17, 118, 513, 1844, 6049, 18954, 58049, 175816, 529713, 1592126, 4780225, 14345532, 43042625, 129135250, 387414657, 1162254608, 3486776401, 10460343942, 31381048961, 94143166660, 282429522657, 847288593818
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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LINKS
| Vincenzo Librandi, Table of n, a(n) for n = 0..200
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FORMULA
| G.f.:(-1-4*x^4-7*x^3-5*x^2+5*x)/((3*x-1)*(x-1)^4) [From Maksym Voznyy (voznyy(AT)mail.ru), Aug 14 2009]
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MAPLE
| seq(3^n-n^3, n=0..25); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jul 01 2007
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MATHEMATICA
| lst={}; Do[AppendTo[lst, (3^n-n^3)], {n, 0, 5!}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Jan 15 2009]
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PROG
| (MAGMA) [3^n-n^3: n in [0..30]]; // Vincenzo Librandi, May 14 2011
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CROSSREFS
| Sequence in context: A129467 A129065 A202700 * A009829 A202697 A051652
Adjacent sequences: A024023 A024024 A024025 * A024027 A024028 A024029
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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