A082771 - OEIS

A082771 as a simple table

n	a(n)
1	1
2	2
3	3
4	2
5	4
6	10
7	3
8	7
9	21
10	73
11	2
12	6
13	26
14	126
15	626
16	4
17	12
18	50
19	252
20	1394
21	8052
22	2
23	8
24	50
25	344
26	2402
27	16808
28	117650
29	4
30	15
31	85
32	585
33	4369
34	33825
35	266305
36	2113665
37	3
38	13
39	91
40	757
41	6643
42	59293
43	532171
44	4785157
45	43053283
46	4
47	18
48	130
49	1134
50	10642
51	103158
52	1015690
53	10078254
54	100390882
55	1001953638

[1,2,3,2,4,10,3,7,21,73,2,6,26,126,626,4,12,50, 252,1394,8052,2,8,50,344,2402,16808,117650,4,15, 85,585,4369,33825,266305,2113665,3,13,91,757,6643, 59293,532171,4785157,43053283,4,18,130,1134,10642, 103158,1015690,10078254,100390882,1001953638]