n | a(n) |
---|---|
3 | 3 |
4 | 16 |
5 | 57 |
6 | 184 |
7 | 601 |
8 | 2036 |
9 | 7072 |
10 | 25088 |
11 | 90503 |
12 | 330836 |
13 | 1222783 |
14 | 4561058 |
15 | 17145990 |
16 | 64888020 |
17 | 246995400 |
18 | 944986464 |
19 | 3631770111 |
20 | 14013725268 |
21 | 54268946152 |
22 | 210842757798 |
23 | 821569514032 |
24 | 3209925357702 |
25 | 12572219405144 |
[3,16,57,184,601,2036,7072,25088,90503,330836, 1222783,4561058,17145990,64888020,246995400, 944986464,3631770111,14013725268,54268946152, 210842757798,821569514032,3209925357702, 12572219405144] |