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1, 4, 576, 518400, 1625702400, 13168189440000, 229442532802560000, 7600054456551997440000, 437763136697395052544000000, 40990389067797283140009984000000, 5919012181389927685417441689600000000
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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MATHEMATICA
| Table[((2n)!)^(2), {n, 0, 10}]
((2*Range[0, 20])!)^2 (* From Harvey P. Dale, Jul 14 2011 *)
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CROSSREFS
| Cf. A000142, A001044, A000442, A036740, A010050, A134366, A134367, A134368, A134369, A134371, A134374, A134375.
Sequence in context: A202032 A159530 A114764 * A177926 A177963 A102201
Adjacent sequences: A134369 A134370 A134371 * A134373 A134374 A134375
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KEYWORD
| nonn
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AUTHOR
| Artur Jasinski (grafix(AT)csl.pl), Oct 22 2007
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