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A006505 as a simple table

n a(n)
0 1
1 0
2 0
3 1
4 1
5 1
6 11
7 36
8 92
9 491
10 2557
11 11353
12 60105
13 362506
14 2169246
15 13580815
16 91927435
17 650078097
18 4762023647
19 36508923530
20 292117087090
21 2424048335917
22 20847410586719
23 185754044235873
24 1711253808769653
25 16272637428430152

[1,0,0,1,1,1,11,36,92,491,2557,11353,60105,362506,
 2169246,13580815,91927435,650078097,4762023647,
 36508923530,292117087090,2424048335917,
 20847410586719,185754044235873,1711253808769653,
 16272637428430152]

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Last modified February 22 12:42 EST 2020. Contains 332136 sequences. (Running on oeis4.)