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A114311 as a simple table

n a(n)
0 1
1 1
2 1
3 3
4 18
5 110
6 705
7 5019
8 40292
9 362844
10 3628755
11 39916745
12 479001534
13 6227020722
14 87178291109
15 1307674367895
16 20922789887880
17 355687428095864
18 6402373705727847
19 121645100408831829
20 2432902008176639810
21 51090942171709439790
22 1124000727777607679769

[1,1,1,3,18,110,705,5019,40292,362844,3628755,
 39916745,479001534,6227020722,87178291109,
 1307674367895,20922789887880,355687428095864,
 6402373705727847,121645100408831829,
 2432902008176639810,51090942171709439790,
 1124000727777607679769]

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Last modified August 26 23:42 EDT 2024. Contains 375462 sequences. (Running on oeis4.)