A309876 - OEIS

A309876 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	1
10	1
11	4
12	10
13	4
14	1
15	1
16	5
17	33
18	33
19	5
20	1
21	1
22	6
23	155
24	2135
25	155
26	6
27	1
28	1
29	7
30	1043
31	7013319
32	7013319
33	1043
34	7
35	1
36	1
37	8
38	12345
39	1788782616655
40	29281354514767167
41	1788782616655
42	12345
43	8
44	1

[1,1,1,1,2,1,1,3,3,1,1,4,10,4,1,1,5,33,33,5,1,1,6, 155,2135,155,6,1,1,7,1043,7013319,7013319,1043,7, 1,1,8,12345,1788782616655,29281354514767167, 1788782616655,12345,8,1]