n | a(n) |
---|---|
1 | 1 |
2 | 5 |
3 | 21 |
4 | 85 |
5 | 342 |
6 | 1380 |
7 | 5598 |
8 | 22836 |
9 | 93640 |
10 | 385734 |
11 | 1595232 |
12 | 6619374 |
13 | 27545269 |
14 | 114901685 |
15 | 480282369 |
16 | 2011058681 |
17 | 8433331523 |
18 | 35410037683 |
19 | 148842787215 |
20 | 626234799703 |
21 | 2636930617597 |
22 | 11111302351505 |
23 | 46848507630321 |
24 | 197631791675365 |
[1,5,21,85,342,1380,5598,22836,93640,385734, 1595232,6619374,27545269,114901685,480282369, 2011058681,8433331523,35410037683,148842787215, 626234799703,2636930617597,11111302351505, 46848507630321,197631791675365] |