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A177815 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 2
5 1
6 3
7 1
8 4
9 1
10 5
11 1
12 6
13 1
14 7
15 1
16 8
17 1
18 1
19 9
20 9
21 1
22 10
23 45
24 1
25 11
26 165
27 1
28 12
29 495
30 1
31 13
32 1287
33 1
34 14
35 3003
36 1
37 15
38 6435
39 1
40 16
41 12870
42 1
43 17
44 24310
45 1
46 18
47 43758
48 1
49 19
50 75582
51 1
52 20
53 125970

[1,1,1,1,2,1,3,1,4,1,5,1,6,1,7,1,8,1,1,9,9,1,10,
 45,1,11,165,1,12,495,1,13,1287,1,14,3003,1,15,
 6435,1,16,12870,1,17,24310,1,18,43758,1,19,75582,
 1,20,125970]

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Last modified September 22 06:01 EDT 2021. Contains 347605 sequences. (Running on oeis4.)