A176431 - OEIS

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A176431 as a simple table

n	a(n)
2	1
3	1
4	1
5	1
6	2
7	1
8	3
9	2
10	5
11	3
12	1
13	9
14	5
15	1
16	1
17	16
18	9
19	2
20	1
21	28
22	16
23	4
24	2
25	50
26	28
27	7
28	4
29	89
30	50
31	12
32	7
33	1
34	159
35	89
36	22
37	12
38	2
39	1
40	285
41	159
42	39
43	22
44	3
45	2
46	510
47	285
48	70
49	39
50	22
51	3
52	1

[1,1,1,1,2,1,3,2,5,3,1,9,5,1,1,16,9,2,1,28,16,4,2, 50,28,7,4,89,50,12,7,1,159,89,22,12,2,1,285,159, 39,22,3,2,510,285,70,39,22,3,1]