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A020099 as a simple table

n a(n)
0 1
1 1
2 1
3 3
4 8
5 35
6 192
7 1256
8 9471
9 80934
10 772545
11 8146834
12 94058897
13 1180011611
14 15983793634
15 232491543753
16 3614186725612
17 59798362187392
18 1049189445651507
19 19457695173900668
20 380309496580785767

[1,1,1,3,8,35,192,1256,9471,80934,772545,8146834,
 94058897,1180011611,15983793634,232491543753,
 3614186725612,59798362187392,1049189445651507,
 19457695173900668,380309496580785767]

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Last modified October 21 05:28 EDT 2021. Contains 348141 sequences. (Running on oeis4.)