A047187 - OEIS

A047187 as a simple table

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	2
7	10
8	15
9	45
10	60
11	140
12	175
13	360
14	435
15	891
16	1071
17	2415
18	2940
19	7260
20	8910
21	22359
22	27345
23	66625
24	80795
25	191191
26	230230
27	541190
28	649805
29	1548755
30	1860131
31	4514979
32	5426995
33	13295955
34	15974220
35	39112716
36	46915104
37	114411173

[0,0,0,0,1,2,10,15,45,60,140,175,360,435,891,1071, 2415,2940,7260,8910,22359,27345,66625,80795, 191191,230230,541190,649805,1548755,1860131, 4514979,5426995,13295955,15974220,39112716, 46915104,114411173]