A219310 - OEIS

A219310 as a simple table

n	a(n)
1	1
2	2
3	2
4	4
5	6
6	4
7	7
8	18
9	18
10	7
11	12
12	51
13	90
14	51
15	12
16	21
17	142
18	423
19	423
20	142
21	21
22	37
23	405
24	1958
25	3334
26	1958
27	405
28	37
29	65
30	1157
31	9233
32	25647
33	25647
34	9233
35	1157
36	65
37	114
38	3289
39	43725
40	200376
41	326444
42	200376
43	43725
44	3289
45	114
46	200
47	9344
48	206269
49	1574278
50	4215579

[1,2,2,4,6,4,7,18,18,7,12,51,90,51,12,21,142,423, 423,142,21,37,405,1958,3334,1958,405,37,65,1157, 9233,25647,25647,9233,1157,65,114,3289,43725, 200376,326444,200376,43725,3289,114,200,9344, 206269,1574278,4215579]