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A195739 as a simple table

n a(n)
1 1
2 0
3 1
4 0
5 1
6 4
7 0
8 1
9 17
10 32
11 0
12 1
13 61
14 348
15 400
16 0
17 1
18 214
19 2836
20 8640
21 6912
22 0
23 1
24 758
25 21225
26 129288
27 254800
28 153664
29 0
30 1
31 2723
32 154741
33 1688424
34 6160640
35 8749056
36 4194304
37 0
38 1
39 9908
40 1123143
41 20762073
42 125055400
43 313921008
44 343901376
45 136048896

[1,0,1,0,1,4,0,1,17,32,0,1,61,348,400,0,1,214,
 2836,8640,6912,0,1,758,21225,129288,254800,153664,
 0,1,2723,154741,1688424,6160640,8749056,4194304,0,
 1,9908,1123143,20762073,125055400,313921008,
 343901376,136048896]

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Last modified April 16 00:45 EDT 2024. Contains 371696 sequences. (Running on oeis4.)