n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 3 |
4 | 8 |
5 | 5 |
6 | 15 |
7 | 75 |
8 | 121 |
9 | 61 |
10 | 105 |
11 | 840 |
12 | 2478 |
13 | 3128 |
14 | 1385 |
15 | 945 |
16 | 11025 |
17 | 51030 |
18 | 115350 |
19 | 124921 |
20 | 50521 |
21 | 10395 |
22 | 166320 |
23 | 1105335 |
24 | 3859680 |
25 | 7365633 |
26 | 7158128 |
27 | 2702765 |
[1,1,1,3,8,5,15,75,121,61,105,840,2478,3128,1385, 945,11025,51030,115350,124921,50521,10395,166320, 1105335,3859680,7365633,7158128,2702765] |