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A098695
2^[n(n-1)/2] * Prod[k=1..n, k! ].
+0
3
1, 1, 4, 96, 18432, 35389440, 815372697600, 263006617337856000, 1357366631815981301760000, 126095668058466123464363212800000, 234278891648287676839670388023623680000000
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Maintained by
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Last modified December 13 23:45 EST 2009. Contains 170824 sequences.
AT&T Labs Research
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