A261250 - OEIS

A261250 as a simple table

n	a(n)
1	1
2	2
3	1
4	3
5	1
6	90
7	2
8	4
9	2
10	1
11	6
12	21
13	5
14	12
15	910
16	1
17	2
18	3
19	6
20	3
21	2
22	160
23	1
24	15
25	12
26	1794
27	7
28	45
29	4550
30	33
31	6
32	1
33	10
34	1287
35	2
36	113076990
37	4
38	8
39	4
40	2
41	468
42	15
43	1
44	133500
45	215
46	3315
47	20
48	3
49	9
50	3
51	15498
52	561
53	26500
54	1
55	60
56	630
57	110532
58	2
59	3188676
60	5
61	10
62	5
63	2
64	1557945
65	65
66	7570212227550
67	1
68	14
69	6
70	56648
71	48
72	455
73	30
74	14127

[1,2,1,3,1,90,2,4,2,1,6,21,5,12,910,1,2,3,6,3,2, 160,1,15,12,1794,7,45,4550,33,6,1,10,1287,2, 113076990,4,8,4,2,468,15,1,133500,215,3315,20,3,9, 3,15498,561,26500,1,60,630,110532,2,3188676,5,10, 5,2,1557945,65,7570212227550,1,14,6,56648,48,455, 30,14127]