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A053601 formatted as a simple table:

n a(n)
0 1
1 1
2 3
3 28
4 840
5 83328
6 27998208
7 32509919232
8 132640470466560
9 1927943976061501440
10 100981078400558897823744
11 19242660536873338307044442112
12 13448310596010038676027219703234560

[1,1,3,28,840,83328,27998208,32509919232,
 132640470466560,1927943976061501440,
 100981078400558897823744,
 19242660536873338307044442112,
 13448310596010038676027219703234560]

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


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