A213744 - OEIS

A213744 as a simple table

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	3
6	1
7	3
8	6
9	10
10	1
11	4
12	10
13	20
14	35
15	1
16	5
17	15
18	35
19	70
20	126
21	1
22	6
23	21
24	56
25	126
26	252
27	456
28	1
29	7
30	28
31	84
32	210
33	462
34	917
35	1667
36	1
37	8
38	36
39	120
40	330
41	792
42	1708
43	3368
44	6147
45	1
46	9
47	45
48	165
49	495
50	1287
51	2994
52	6354
53	12465
54	22825
55	1
56	10

[1,1,1,1,2,3,1,3,6,10,1,4,10,20,35,1,5,15,35,70, 126,1,6,21,56,126,252,456,1,7,28,84,210,462,917, 1667,1,8,36,120,330,792,1708,3368,6147,1,9,45,165, 495,1287,2994,6354,12465,22825,1,10]