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A222918 as a simple table

n a(n)
1 1
2 0
3 0
4 0
5 6
6 0
7 6
8 18
9 18
10 6
11 16
12 136
13 160
14 136
15 16
16 16
17 654
18 2952
19 2952
20 654
21 16
22 40
23 3972
24 17518
25 62336
26 17518
27 3972
28 40
29 280
30 21778
31 356398
32 1309863
33 1309863
34 356398
35 21778
36 280
37 768
38 127226
39 2118905
40 27663713
41 26742406
42 27663713
43 2118905
44 127226
45 768

[1,0,0,0,6,0,6,18,18,6,16,136,160,136,16,16,654,
 2952,2952,654,16,40,3972,17518,62336,17518,3972,
 40,280,21778,356398,1309863,1309863,356398,21778,
 280,768,127226,2118905,27663713,26742406,27663713,
 2118905,127226,768]

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Last modified January 20 01:01 EST 2022. Contains 350467 sequences. (Running on oeis4.)