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A309993 as a simple table

n a(n)
1 1
2 1
3 0
4 1
5 2
6 0
7 1
8 8
9 2
10 0
11 1
12 22
13 26
14 0
15 0
16 1
17 52
18 168
19 42
20 0
21 0
22 1
23 114
24 804
25 692
26 42
27 0
28 0
29 1
30 240
31 3270
32 6500
33 1866
34 0
35 0
36 0
37 1
38 494
39 12054
40 46304
41 34078
42 3060
43 0
44 0
45 0
46 1
47 1004
48 41708
49 279566
50 413878
51 122830
52 3060
53 0
54 0
55 0
56 1
57 2026
58 138320
59 1514324

[1,1,0,1,2,0,1,8,2,0,1,22,26,0,0,1,52,168,42,0,0,
 1,114,804,692,42,0,0,1,240,3270,6500,1866,0,0,0,1,
 494,12054,46304,34078,3060,0,0,0,1,1004,41708,
 279566,413878,122830,3060,0,0,0,1,2026,138320,
 1514324]

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Last modified January 23 22:16 EST 2020. Contains 331177 sequences. (Running on oeis4.)