A160643 - OEIS

A160643 as a simple table

n	a(n)
1	0
2	0
3	0
4	1
5	1
6	1
7	4
8	4
9	6
10	11
11	15
12	20
13	33
14	43
15	60
16	88
17	119
18	160
19	226
20	300
21	404
22	549
23	727
24	961
25	1283
26	1680
27	2201
28	2887
29	3750
30	4857
31	6301
32	8105
33	10410
34	13357
35	17050
36	21714
37	27625
38	34992
39	44240
40	55840
41	70261
42	88220
43	110600
44	138274
45	172558
46	214984
47	267234

[0,0,0,1,1,1,4,4,6,11,15,20,33,43,60,88,119,160, 226,300,404,549,727,961,1283,1680,2201,2887,3750, 4857,6301,8105,10410,13357,17050,21714,27625, 34992,44240,55840,70261,88220,110600,138274, 172558,214984,267234]