n | a(n) |
---|---|
4 | 1 |
5 | 5 |
6 | 5 |
7 | 15 |
8 | 35 |
9 | 15 |
10 | 35 |
11 | 140 |
12 | 140 |
13 | 35 |
14 | 70 |
15 | 420 |
16 | 720 |
17 | 420 |
18 | 70 |
19 | 126 |
20 | 1050 |
21 | 2700 |
22 | 2700 |
23 | 1050 |
24 | 126 |
25 | 210 |
26 | 2310 |
27 | 8250 |
28 | 12375 |
29 | 8250 |
30 | 2310 |
31 | 210 |
32 | 330 |
33 | 4620 |
34 | 21780 |
35 | 45375 |
36 | 45375 |
37 | 21780 |
38 | 4620 |
39 | 330 |
40 | 495 |
41 | 8580 |
42 | 51480 |
43 | 141570 |
44 | 196625 |
45 | 141570 |
46 | 51480 |
47 | 8580 |
48 | 495 |
49 | 715 |
50 | 15015 |
[1,5,5,15,35,15,35,140,140,35,70,420,720,420,70, 126,1050,2700,2700,1050,126,210,2310,8250,12375, 8250,2310,210,330,4620,21780,45375,45375,21780, 4620,330,495,8580,51480,141570,196625,141570, 51480,8580,495,715,15015] |