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A061464 formatted as a simple table:

n a(n)
0 1
1 1
2 4
3 108
4 6912
5 21600000
6 583200000
7 480290277600000
8 31476303632793600000
9 16727798278915463577600000
10 52274369621610823680000000000 

[1,1,4,108,6912,21600000,583200000,
 480290277600000,31476303632793600000,
 16727798278915463577600000,
 52274369621610823680000000000]

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Last modified December 7 23:50 EST 2009. Contains 170430 sequences.

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