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A007339
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a(n) = n! - n^3.
(Formerly M4140)
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7
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1, 0, -6, -21, -40, -5, 504, 4697, 39808, 362151, 3627800, 39915469, 478999872, 6227018603, 87178288456, 1307674364625, 20922789883904, 355687428091087, 6402373705722168, 121645100408825141, 2432902008176632000
(list;
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listen;
history;
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internal format)
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OFFSET
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0,3
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REFERENCES
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N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
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FORMULA
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E.g.f.: 1/(1 - x) - x*(1 + 3*x + x^2)*exp(x). - Ilya Gutkovskiy, Jan 27 2017
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MATHEMATICA
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PROG
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CROSSREFS
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KEYWORD
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sign
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AUTHOR
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STATUS
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approved
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