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A077762 as a simple table

n a(n)
1 1
2 1
3 0
4 1
5 2
6 0
7 1
8 1
9 4
10 8
11 0
12 8
13 42
14 28
15 140
16 616
17 836
18 180
19 1416
20 2542
21 10960
22 96048
23 242204
24 367587
25 923949
26 1145430
27 2622420
28 19081728
29 245846500
30 2934255428
31 6725485476
32 7722272142
33 26106311490
34 114470819132
35 331909473776
36 330258090272
37 4585951400436
38 37021666628450

[1,1,0,1,2,0,1,1,4,8,0,8,42,28,140,616,836,180,
 1416,2542,10960,96048,242204,367587,923949,
 1145430,2622420,19081728,245846500,2934255428,
 6725485476,7722272142,26106311490,114470819132,
 331909473776,330258090272,4585951400436,
 37021666628450]

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Last modified January 20 04:53 EST 2021. Contains 340301 sequences. (Running on oeis4.)