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A057170 formatted as a simple table:

n a(n)
0 1
1 2
2 12
3 288
4 26880
5 10035200
6 14836039680
7 87734404251648
8 2064716402685640704
9 194361783607326689722368
10 72958995691997968023051829248
11 109548594452892660460226753134067712
12 656593430123179564638165745256190909087744
13 15741504841171021653720624575980053578961033101312

[1,2,12,288,26880,10035200,14836039680,
 87734404251648,2064716402685640704,
 194361783607326689722368,
 72958995691997968023051829248,
 109548594452892660460226753134067712,
 656593430123179564638165745256190909087744,
 15741504841171021653720624575980053578961033101312]

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.


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