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A028677 formatted as a simple table:

n a(n)
0 1
1 210
2 10584000
3 120522654000000
4 308880278577360000000000
5 178115698742031918598500000000000000
6 23109857603759312583902403410250000000000000000000 

[1,210,10584000,120522654000000,
 308880278577360000000000,
 178115698742031918598500000000000000,
 23109857603759312583902403410250000000000000000000]

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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