n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 16 |
4 | 75 |
5 | 361 |
6 | 1728 |
7 | 8281 |
8 | 39675 |
9 | 190096 |
10 | 910803 |
11 | 4363921 |
12 | 20908800 |
13 | 100180081 |
14 | 479991603 |
15 | 2299777936 |
16 | 11018898075 |
17 | 52794712441 |
18 | 252954664128 |
19 | 1211978608201 |
20 | 5806938376875 |
21 | 27822713276176 |
22 | 133306628004003 |
23 | 638710426743841 |
24 | 3060245505715200 |
[1,3,16,75,361,1728,8281,39675,190096,910803, 4363921,20908800,100180081,479991603,2299777936, 11018898075,52794712441,252954664128, 1211978608201,5806938376875,27822713276176, 133306628004003,638710426743841,3060245505715200] |