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A055747 as a simple table

n a(n)
0 1
1 0
2 0
3 56
4 606
5 0
6 0
7 27456
8 123156
9 0
10 0
11 3745512
12 9217112
13 0
14 0
15 95209152
16 188066718
17 0
18 0
19 1144371624
20 1960489800
21 0
22 0
23 8505838656
24 13289979912
25 0
26 0
27 45755357024
28 67080028224
29 0
30 0
31 195411318912
32 272570040468
33 0
34 0

[1,0,0,56,606,0,0,27456,123156,0,0,3745512,
 9217112,0,0,95209152,188066718,0,0,1144371624,
 1960489800,0,0,8505838656,13289979912,0,0,
 45755357024,67080028224,0,0,195411318912,
 272570040468,0,0]

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Last modified March 1 09:59 EST 2024. Contains 370432 sequences. (Running on oeis4.)