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A229884 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 1
5 4
6 10
7 20
8 125
9 461
10 1301
11 11210
12 55220
13 202840
14 2223859
15 13690951
16 61889101
17 823947856
18 6087160726
19 32676403052
20 511799407517
21 4411241879141
22 27418828825961
23 493869702112622
24 4864805677935368
25 34361404413755056
26 699648473127100771

[1,1,1,1,1,4,10,20,125,461,1301,11210,55220,
 202840,2223859,13690951,61889101,823947856,
 6087160726,32676403052,511799407517,4411241879141,
 27418828825961,493869702112622,4864805677935368,
 34361404413755056,699648473127100771]

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Last modified June 3 10:30 EDT 2024. Contains 373060 sequences. (Running on oeis4.)