A153859 - OEIS

A153859 as a simple table

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	3
8	3
9	2
10	1
11	4
12	6
13	8
14	4
15	1
16	5
17	10
18	20
19	20
20	9
21	1
22	6
23	15
24	40
25	60
26	54
27	23
28	1
29	7
30	21
31	70
32	140
33	189
34	161
35	65
36	1
37	8
38	28
39	112
40	280
41	504
42	644
43	520
44	199
45	1
46	9
47	36
48	168
49	504
50	1134
51	1932
52	2340
53	1791
54	654
55	1
56	10
57	45
58	240
59	840
60	2268
61	4830
62	7800
63	8955
64	6540
65	2296

[1,1,1,1,2,1,1,3,3,2,1,4,6,8,4,1,5,10,20,20,9,1,6, 15,40,60,54,23,1,7,21,70,140,189,161,65,1,8,28, 112,280,504,644,520,199,1,9,36,168,504,1134,1932, 2340,1791,654,1,10,45,240,840,2268,4830,7800,8955, 6540,2296]