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A005263 as a simple table

n a(n)
0 1
1 1
2 1
3 4
4 32
5 396
6 6692
7 143816
8 3756104
9 115553024
10 4093236352
11 164098040448
12 7345463787136
13 363154251536896
14 19653476190481408
15 1155636468524067328
16 73364615077878838784
17 5001199614295920565248
18 364363128390631094137856 

[1,1,1,4,32,396,6692,143816,3756104,115553024,
 4093236352,164098040448,7345463787136,
 363154251536896,19653476190481408,
 1155636468524067328,73364615077878838784,
 5001199614295920565248,364363128390631094137856]

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Last modified April 18 21:51 EDT 2024. Contains 371781 sequences. (Running on oeis4.)