n | a(n) |
---|---|
1 | 2 |
2 | 9 |
3 | 60 |
4 | 570 |
5 | 6918 |
6 | 102606 |
7 | 1799256 |
8 | 36430614 |
9 | 836599530 |
10 | 21486777246 |
11 | 610316761236 |
12 | 18996711425718 |
13 | 643003101276270 |
14 | 23514920033329950 |
15 | 923967843215031600 |
16 | 38820647241658051158 |
17 | 1736732998701525266514 |
[2,9,60,570,6918,102606,1799256,36430614, 836599530,21486777246,610316761236,18996711425718, 643003101276270,23514920033329950, 923967843215031600,38820647241658051158, 1736732998701525266514] |