n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 18 |
3 | 273 |
4 | 5812 |
5 | 159255 |
6 | 5336322 |
7 | 211385076 |
8 | 9663571400 |
9 | 500742188415 |
10 | 29002424377110 |
11 | 1856728690107027 |
12 | 130194428384173116 |
13 | 9923500366931329282 |
14 | 816909605562423271178 |
15 | 72231668379957026776065 |
16 | 6827368666949651984215824 |
17 | 686970682778467688690704639 |
[1,2,18,273,5812,159255,5336322,211385076, 9663571400,500742188415,29002424377110, 1856728690107027,130194428384173116, 9923500366931329282,816909605562423271178, 72231668379957026776065,6827368666949651984215824, 686970682778467688690704639] |