A320321 - OEIS

A320321 as a simple table

n	a(n)
0	1
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	1
11	0
12	0
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	1
21	2
22	3
23	4
24	5
25	6
26	7
27	8
28	9
29	10
30	12
31	14
32	18
33	22
34	29
35	36
36	47
37	58
38	74
39	90
40	113
41	136
42	168
43	202
44	247
45	296
46	361
47	432
48	524
49	628
50	759
51	908
52	1095
53	1308
54	1572
55	1876
56	2247
57	2676
58	3198
59	3800
60	4528
61	5372
62	6384
63	7558

[1,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,1,2,3,4, 5,6,7,8,9,10,12,14,18,22,29,36,47,58,74,90,113, 136,168,202,247,296,361,432,524,628,759,908,1095, 1308,1572,1876,2247,2676,3198,3800,4528,5372,6384, 7558]