n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 12 |
3 | 76 |
4 | 711 |
5 | 9054 |
6 | 147471 |
7 | 2938176 |
8 | 69328365 |
9 | 1891371807 |
10 | 58575539361 |
11 | 2030011517685 |
12 | 77827890696820 |
13 | 3270046577551695 |
14 | 149407542447596319 |
15 | 7374639622066056408 |
16 | 391044078030333899385 |
17 | 22168014954558449549349 |
[1,3,12,76,711,9054,147471,2938176,69328365, 1891371807,58575539361,2030011517685, 77827890696820,3270046577551695, 149407542447596319,7374639622066056408, 391044078030333899385,22168014954558449549349] |