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A098710
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Product{k|n} k!.
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1
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1, 2, 6, 48, 120, 8640, 5040, 1935360, 2177280, 870912000, 39916800, 99325771776000, 6227020800, 878757175296000, 941525544960000, 40493130637639680000, 355687428096000, 20073254719690742169600000
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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EXAMPLE
| a(6) = 1! 2! 3! 6! = 8640 because 1, 2, 3 and 6 are the positive divisors of 6.
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MATHEMATICA
| Table[z = 1; For[i = 1, i ? n, i++, If[Mod[n, i] == 0, z = z*i! ]]; z, {n, 1, 20}] (Handler)
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CROSSREFS
| Sequence in context: A145502 A072444 A052596 * A052614 A052688 A052657
Adjacent sequences: A098707 A098708 A098709 * A098711 A098712 A098713
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KEYWORD
| nonn
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AUTHOR
| Leroy Quet Sep 28 2004
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EXTENSIONS
| More terms from Sam Handler (sam_5_5_5_0(AT)yahoo.com), Nov 15 2004
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