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A147630 formatted as a simple table:

n a(n)
1 1
2 6
3 90
4 2160
5 71280
6 2993760
7 152681760
8 9160905600
9 632102486400
10 49303993939200
11 4289447472710400
12 411786957380198400
13 43237630524920832000
14 4929089879840974848000
15 606278055220439906304000

[1,6,90,2160,71280,2993760,152681760,9160905600,
 632102486400,49303993939200,4289447472710400,
 411786957380198400,43237630524920832000,
 4929089879840974848000,606278055220439906304000]

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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