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A220303 as a simple table

n a(n)
0 1
1 512
2 1086296
3 3165414034
4 10225294476962
5 34223109012944482
6 115973945786899746170
7 394736020870056624585954
8 1345636228678678520218159342
9 4589736231595259523509695756270
10 15657867573050419014814618149422562
11 53420457933273164607876918293027444742

[1,512,1086296,3165414034,10225294476962,
 34223109012944482,115973945786899746170,
 394736020870056624585954,
 1345636228678678520218159342,
 4589736231595259523509695756270,
 15657867573050419014814618149422562,
 53420457933273164607876918293027444742]

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Last modified December 6 22:42 EST 2021. Contains 349567 sequences. (Running on oeis4.)