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A171633 as a simple table

n a(n)
1 1
2 4
3 4
4 25
5 28
6 11
7 136
8 234
9 144
10 26
11 609
12 2040
13 1590
14 624
15 57
16 2388
17 15096
18 19056
19 9648
20 2412
21 120
22 8593
23 95196
24 208893
25 148336
26 54267
27 8628
28 247
29 29224
30 532918
31 1961928
32 2205850
33 1063000
34 285786
35 29272
36 502
37 95689
38 2739256
39 16059128

[1,4,4,25,28,11,136,234,144,26,609,2040,1590,624,
 57,2388,15096,19056,9648,2412,120,8593,95196,
 208893,148336,54267,8628,247,29224,532918,1961928,
 2205850,1063000,285786,29272,502,95689,2739256,
 16059128]

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Last modified December 2 10:39 EST 2020. Contains 338876 sequences. (Running on oeis4.)