A108907 - OEIS

A108907 as a simple table

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	1
7	6
8	21
9	56
10	126
11	252
12	456
13	756
14	1161
15	1666
16	2247
17	2856
18	3431
19	3906
20	4221
21	4332
22	4221
23	3906
24	3431
25	2856
26	2247
27	1666
28	1161
29	756
30	456
31	252
32	126
33	56
34	21
35	6
36	1
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
76	0
77	0
78	0

[0,0,0,0,0,0,1,6,21,56,126,252,456,756,1161,1666, 2247,2856,3431,3906,4221,4332,4221,3906,3431,2856, 2247,1666,1161,756,456,252,126,56,21,6,1,0,0,0,0, 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]