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A081959 formatted as a simple table:

n a(n)
1 2
2 14
3 90
4 612
5 4608
6 38760
7 361440
8 3688560
9 41277600
10 501379200
11 6576837120
12 92697696000
13 1397414592000
14 22498705152000
15 382873642905600
16 6908854669516800
17 131496596027596800
18 2633684945988096000

[2,14,90,612,4608,38760,361440,3688560,41277600,
 501379200,6576837120,92697696000,1397414592000,
 22498705152000,382873642905600,6908854669516800,
 131496596027596800,2633684945988096000]

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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