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A000142 as a simple table

n a(n)
0 1
1 1
2 2
3 6
4 24
5 120
6 720
7 5040
8 40320
9 362880
10 3628800
11 39916800
12 479001600
13 6227020800
14 87178291200
15 1307674368000
16 20922789888000
17 355687428096000
18 6402373705728000
19 121645100408832000
20 2432902008176640000
21 51090942171709440000
22 1124000727777607680000

[1,1,2,6,24,120,720,5040,40320,362880,3628800,
 39916800,479001600,6227020800,87178291200,
 1307674368000,20922789888000,355687428096000,
 6402373705728000,121645100408832000,
 2432902008176640000,51090942171709440000,
 1124000727777607680000]

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Last modified August 14 06:01 EDT 2018. Contains 313748 sequences. (Running on oeis4.)