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A245111 as a simple table

n a(n)
0 1
1 0
2 1
3 0
4 1
5 3
6 0
7 1
8 12
9 10
10 0
11 1
12 35
13 90
14 35
15 0
16 1
17 90
18 525
19 560
20 126
21 0
22 1
23 217
24 2520
25 5460
26 3150
27 462
28 0
29 1
30 504
31 10836
32 42000
33 46200
34 16632
35 1716
36 0
37 1
38 1143
39 43470
40 280665
41 519750
42 342342
43 84084
44 6435
45 0
46 1
47 2550
48 166375
49 1709400
50 4969965
51 5297292
52 2312310
53 411840
54 24310

[1,0,1,0,1,3,0,1,12,10,0,1,35,90,35,0,1,90,525,
 560,126,0,1,217,2520,5460,3150,462,0,1,504,10836,
 42000,46200,16632,1716,0,1,1143,43470,280665,
 519750,342342,84084,6435,0,1,2550,166375,1709400,
 4969965,5297292,2312310,411840,24310]

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Last modified January 25 10:10 EST 2022. Contains 350565 sequences. (Running on oeis4.)