n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 12 |
3 | 62 |
4 | 332 |
5 | 1974 |
6 | 12345 |
7 | 80006 |
8 | 531524 |
9 | 3602358 |
10 | 24836850 |
11 | 173607568 |
12 | 1226700784 |
13 | 8748861828 |
14 | 62922343566 |
15 | 455805857978 |
16 | 3321800235936 |
17 | 24338840717799 |
18 | 179217603427200 |
19 | 1325490660318216 |
20 | 9841000101286172 |
21 | 73319407735938570 |
22 | 548051770664957631 |
23 | 4108826483323392880 |
[1,3,12,62,332,1974,12345,80006,531524,3602358, 24836850,173607568,1226700784,8748861828, 62922343566,455805857978,3321800235936, 24338840717799,179217603427200,1325490660318216, 9841000101286172,73319407735938570, 548051770664957631,4108826483323392880] |