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A180662 as a simple table

n a(n)
0 0
1 0
2 1
3 0
4 1
5 2
6 0
7 1
8 2
9 6
10 0
11 1
12 2
13 6
14 15
15 0
16 1
17 2
18 6
19 15
20 40
21 0
22 1
23 2
24 6
25 15
26 40
27 104
28 0
29 1
30 2
31 6
32 15
33 40
34 104
35 273
36 0
37 1
38 2
39 6
40 15
41 40
42 104
43 273
44 714
45 0
46 1
47 2
48 6
49 15
50 40
51 104
52 273
53 714
54 1870
55 0
56 1
57 2
58 6
59 15
60 40
61 104
62 273
63 714
64 1870
65 4895

[0,0,1,0,1,2,0,1,2,6,0,1,2,6,15,0,1,2,6,15,40,0,1,
 2,6,15,40,104,0,1,2,6,15,40,104,273,0,1,2,6,15,40,
 104,273,714,0,1,2,6,15,40,104,273,714,1870,0,1,2,
 6,15,40,104,273,714,1870,4895]

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Last modified January 21 10:59 EST 2020. Contains 331105 sequences. (Running on oeis4.)