n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 20 |
3 | 70 |
4 | 210 |
5 | 546 |
6 | 1260 |
7 | 2640 |
8 | 5115 |
9 | 9295 |
10 | 16016 |
11 | 26390 |
12 | 41860 |
13 | 64260 |
14 | 95880 |
15 | 139536 |
16 | 198645 |
17 | 277305 |
18 | 380380 |
19 | 513590 |
20 | 683606 |
21 | 898150 |
22 | 1166100 |
23 | 1497600 |
24 | 1904175 |
25 | 2398851 |
26 | 2996280 |
27 | 3712870 |
28 | 4566920 |
29 | 5578760 |
30 | 6770896 |
31 | 8168160 |
32 | 9797865 |
33 | 11689965 |
[1,5,20,70,210,546,1260,2640,5115,9295,16016, 26390,41860,64260,95880,139536,198645,277305, 380380,513590,683606,898150,1166100,1497600, 1904175,2398851,2996280,3712870,4566920,5578760, 6770896,8168160,9797865,11689965] |