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A155382 as a simple table

n a(n)
4 1
5 4
6 10
7 22
8 40
9 141
10 496
11 2636
12 13567
13 76878
14 469481
15 3693548
16 33420872
17 360497441
18 4317343069
19 60086409152

[1,4,10,22,40,141,496,2636,13567,76878,469481,
 3693548,33420872,360497441,4317343069,60086409152]

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