A243821 - OEIS

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A243821 as a simple table

n	a(n)
0	2
1	1
2	0
3	5
4	1
5	1
6	9
7	4
8	2
9	16
10	5
11	4
12	27
13	11
14	7
15	45
16	16
17	12
18	74
19	29
20	20
21	121
22	45
23	33
24	197
25	76
26	54
27	320
28	121
29	88
30	519
31	199
32	143
33	841
34	320
35	232
36	1362
37	521
38	376
39	2205
40	841
41	609
42	3569
43	1364
44	986

[2,1,0,5,1,1,9,4,2,16,5,4,27,11,7,45,16,12,74,29, 20,121,45,33,197,76,54,320,121,88,519,199,143,841, 320,232,1362,521,376,2205,841,609,3569,1364,986]