n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 2 |
4 | 5 |
5 | 5 |
6 | 5 |
7 | 21 |
8 | 42 |
9 | 42 |
10 | 14 |
11 | 84 |
12 | 252 |
13 | 462 |
14 | 462 |
15 | 42 |
16 | 330 |
17 | 1320 |
18 | 3432 |
19 | 6006 |
20 | 6006 |
21 | 132 |
22 | 1287 |
23 | 6435 |
24 | 21450 |
25 | 51480 |
26 | 87516 |
27 | 87516 |
28 | 429 |
29 | 5005 |
30 | 30030 |
31 | 121550 |
32 | 364650 |
33 | 831402 |
34 | 1385670 |
35 | 1385670 |
36 | 1430 |
37 | 19448 |
38 | 136136 |
39 | 646646 |
40 | 2309450 |
41 | 6466460 |
[1,1,1,2,5,5,5,21,42,42,14,84,252,462,462,42,330, 1320,3432,6006,6006,132,1287,6435,21450,51480, 87516,87516,429,5005,30030,121550,364650,831402, 1385670,1385670,1430,19448,136136,646646,2309450, 6466460] |