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A171692 as a simple table

n a(n)
2 1
3 1
4 10
5 1
6 1
7 56
8 246
9 56
10 1
11 1
12 246
13 4047
14 11572
15 4047
16 246
17 1
18 1
19 1012
20 46828
21 408364
22 901990
23 408364
24 46828
25 1012
26 1
27 1
28 4082
29 474189
30 9713496
31 56604978
32 105907308
33 56604978
34 9713496
35 474189
36 4082
37 1
38 1
39 16368
40 4520946

[1,1,10,1,1,56,246,56,1,1,246,4047,11572,4047,246,
 1,1,1012,46828,408364,901990,408364,46828,1012,1,
 1,4082,474189,9713496,56604978,105907308,56604978,
 9713496,474189,4082,1,1,16368,4520946]

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Last modified April 5 12:34 EDT 2020. Contains 333241 sequences. (Running on oeis4.)