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A092983 as a simple table

n a(n)
1 2
2 3
3 7
4 26
5 122
6 721
7 5042
8 40321
9 362881
10 3628801
11 39916801
12 479001602
13 6227020801
14 87178291201
15 1307674368001
16 20922789888001
17 355687428096001
18 6402373705728001
19 121645100408832001
20 2432902008176640001

[2,3,7,26,122,721,5042,40321,362881,3628801,
 39916801,479001602,6227020801,87178291201,
 1307674368001,20922789888001,355687428096001,
 6402373705728001,121645100408832001,
 2432902008176640001]

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Last modified July 21 19:25 EDT 2019. Contains 325199 sequences. (Running on oeis4.)