A143671 - OEIS

A143671 as a simple table

n	a(n)
1	10
2	45
3	150
4	375
5	750
6	1200
7	1713
8	2227
9	2492
10	2492
11	2225
12	2041
13	1575
14	1132
15	770
16	571
17	335
18	180
19	90
20	44
21	18
22	12
23	6
24	3
25	1
26	0
27	0
28	0
29	0
30	0
31	0
32	0
33	0
34	0
35	0
36	0
37	0
38	0
39	0
40	0
41	0
42	0
43	0
44	0
45	0
46	0
47	0
48	0
49	0
50	0
51	0
52	0
53	0
54	0
55	0
56	0
57	0
58	0
59	0
60	0
61	0
62	0
63	0
64	0
65	0
66	0
67	0
68	0
69	0
70	0
71	0
72	0
73	0
74	0
75	0

[10,45,150,375,750,1200,1713,2227,2492,2492,2225, 2041,1575,1132,770,571,335,180,90,44,18,12,6,3,1, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]