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A105996 as a simple table

n a(n)
0 1
1 2
2 4
3 11
4 41
5 222
6 1761
7 21064
8 386241
9 11044282
10 500411824
11 36427700084
12 4313893200131
13 840463941752366
14 272080763704257502
15 147646989859379243894
16 135364497363933610026002

[1,2,4,11,41,222,1761,21064,386241,11044282,
 500411824,36427700084,4313893200131,
 840463941752366,272080763704257502,
 147646989859379243894,135364497363933610026002]

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Last modified August 23 20:41 EDT 2024. Contains 375396 sequences. (Running on oeis4.)