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A127488
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(n^2)!/(2(n!)).
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0
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OFFSET
| 2,1
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MATHEMATICA
| Table[(n^2)!/(2(n!)), {n, 2, 6}]
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CROSSREFS
| Cf. A000142, A001044, A000442, A036740, A010050, A009445, A134366, A134367, A134368, A134369, A134371, A134372, A134373, A134374, A134374
Sequence in context: A143780 A159429 A134728 * A182790 A172812 A013838
Adjacent sequences: A127485 A127486 A127487 * A127489 A127490 A127491
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KEYWORD
| nonn
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AUTHOR
| Artur Jasinski (grafix(AT)csl.pl), Jan 16 2007
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