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A036771 formatted as a simple table:

n a(n)
0 1
1 4
2 420
3 201600
4 264264000
5 734557824000
6 3723191087616000
7 31125877492469760000
8 399532678960326912000000
9 7462849882264211635200000000
10 194563959280510261541299200000000
11 6847568575944052279580806348800000000

[1,4,420,201600,264264000,734557824000,
 3723191087616000,31125877492469760000,
 399532678960326912000000,
 7462849882264211635200000000,
 194563959280510261541299200000000,
 6847568575944052279580806348800000000]

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.


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