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A117434 as a simple table

n a(n)
0 1
1 0
2 1
3 0
4 1
5 2
6 0
7 0
8 4
9 5
10 0
11 0
12 2
13 15
14 14
15 0
16 0
17 0
18 15
19 56
20 42
21 0
22 0
23 0
24 5
25 84
26 210
27 132
28 0
29 0
30 0
31 0
32 56
33 420
34 792
35 429
36 0
37 0
38 0
39 0
40 14
41 420
42 1980
43 3003
44 1430
45 0
46 0
47 0
48 0
49 0
50 210
51 2640
52 9009
53 11440
54 4862
55 0
56 0
57 0
58 0
59 0
60 42
61 1980
62 15015
63 40040
64 43758
65 16796
66 0
67 0
68 0
69 0
70 0
71 0

[1,0,1,0,1,2,0,0,4,5,0,0,2,15,14,0,0,0,15,56,42,0,
 0,0,5,84,210,132,0,0,0,0,56,420,792,429,0,0,0,0,
 14,420,1980,3003,1430,0,0,0,0,0,210,2640,9009,
 11440,4862,0,0,0,0,0,42,1980,15015,40040,43758,
 16796,0,0,0,0,0,0]

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Last modified December 13 20:06 EST 2018. Contains 318087 sequences. (Running on oeis4.)