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A003780 as a simple table

n a(n)
1 0
2 0
3 0
4 0
5 0
6 296
7 0
8 0
9 0
10 70420
11 0
12 0
13 0
14 16391166
15 0
16 0
17 0
18 3816021084
19 0
20 0
21 0
22 888375830566
23 0
24 0
25 0
26 206814474641944
27 0
28 0
29 0
30 48146529005876746
31 0
32 0
33 0
34 11208539472498838244
35 0
36 0
37 0
38 2609354391828066201746
39 0
40 0
41 0

[0,0,0,0,0,296,0,0,0,70420,0,0,0,16391166,0,0,0,
 3816021084,0,0,0,888375830566,0,0,0,
 206814474641944,0,0,0,48146529005876746,0,0,0,
 11208539472498838244,0,0,0,2609354391828066201746,
 0,0,0]

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Last modified January 29 01:49 EST 2020. Contains 331328 sequences. (Running on oeis4.)