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A214836 as a simple table

n a(n)
1 1
2 1
3 2
4 7
5 18
6 58
7 180
8 613
9 2076
10 7270
11 25752
12 92918
13 338432
14 1246092
15 4624536
16 17290646
17 65047436
18 246079536
19 935484928
20 3571960668
21 13692523960
22 52675401248
23 203299385584
24 786949008100
25 3054440440486
26 11884949139900
27 46351113658232
28 181153317512536

[1,1,2,7,18,58,180,613,2076,7270,25752,92918,
 338432,1246092,4624536,17290646,65047436,
 246079536,935484928,3571960668,13692523960,
 52675401248,203299385584,786949008100,
 3054440440486,11884949139900,46351113658232,
 181153317512536]

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Last modified July 30 15:06 EDT 2021. Contains 346359 sequences. (Running on oeis4.)