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Search: id:A091777
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A091777 Product of the numbers from (n-1)^2+1 to n^2. +0
2
1, 24, 15120, 57657600, 741354768000, 23982224839372800, 1635195634511530291200, 208598907329474462760960000, 45687336913897607308591411200000, 16098703928453240136983769705676800000, 8673124144989289711553231707961190973440000 (list; graph; listen)
OFFSET

1,2

FORMULA

a(n) = (n^2)!/((n-1)^2)! - T. D. Noe (noe(AT)sspectra.com), Oct 25 2004

EXAMPLE

a(1) = 1, a(2) = 2*3*4, a(3) = 5*6*7*8*9.

MATHEMATICA

Table[(n^2)!/((n-1)^2)!, {n, 11}]

CROSSREFS

Cf. A091776.

Sequence in context: A013729 A159729 A028694 this_sequence A145496 A067746 A111404

Adjacent sequences: A091774 A091775 A091776 this_sequence A091778 A091779 A091780

KEYWORD

nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Feb 16 2004

EXTENSIONS

More terms from T. D. Noe (noe(AT)sspectra.com), Oct 25 2004

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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