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A005008
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a(n) = n! - n^2.
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7
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1, 0, -2, -3, 8, 95, 684, 4991, 40256, 362799, 3628700, 39916679, 479001456, 6227020631, 87178291004, 1307674367775, 20922789887744, 355687428095711, 6402373705727676, 121645100408831639, 2432902008176639600, 51090942171709439559, 1124000727777607679516
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,3
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LINKS
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FORMULA
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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,easy
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AUTHOR
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STATUS
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approved
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