A161269 - OEIS

A161269 as a simple table

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	2
7	1
8	2
9	3
10	3
11	3
12	7
13	5
14	6
15	10
16	10
17	10
18	15
19	14
20	18
21	23
22	23
23	25
24	36
25	35
26	40
27	49
28	54
29	57
30	70
31	74
32	84
33	99
34	105
35	114
36	137
37	144
38	159
39	181
40	198
41	214
42	243
43	261
44	287
45	322
46	345
47	375
48	422
49	451
50	489
51	538
52	583
53	629
54	693
55	741
56	804
57	878
58	940
59	1015
60	1107
61	1183
62	1272
63	1377
64	1478
65	1584

[0,0,0,0,0,2,1,2,3,3,3,7,5,6,10,10,10,15,14,18,23, 23,25,36,35,40,49,54,57,70,74,84,99,105,114,137, 144,159,181,198,214,243,261,287,322,345,375,422, 451,489,538,583,629,693,741,804,878,940,1015,1107, 1183,1272,1377,1478,1584]