n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 6 |
3 | 25 |
4 | 94 |
5 | 419 |
6 | 1884 |
7 | 8866 |
8 | 42524 |
9 | 208361 |
10 | 1036268 |
11 | 5222754 |
12 | 26607772 |
13 | 136824505 |
14 | 709211688 |
15 | 3701711655 |
16 | 19438809610 |
17 | 102629612589 |
18 | 544446273752 |
19 | 2900686264810 |
20 | 15514063940500 |
21 | 83266691903815 |
22 | 448333365133264 |
[1,4,6,25,94,419,1884,8866,42524,208361,1036268, 5222754,26607772,136824505,709211688,3701711655, 19438809610,102629612589,544446273752, 2900686264810,15514063940500,83266691903815, 448333365133264] |