n | a(n) |
---|---|
1 | 1 |
2 | 7 |
3 | 22 |
4 | 111 |
5 | 486 |
6 | 3772 |
7 | 29142 |
8 | 275871 |
9 | 2830459 |
10 | 32028882 |
11 | 392744078 |
12 | 5201524044 |
13 | 73943424582 |
14 | 1123603726896 |
15 | 18176728661832 |
16 | 311951284854975 |
17 | 5661698774848910 |
18 | 108355867352001811 |
19 | 2181096921557783966 |
20 | 46066653293892718506 |
21 | 1018705098450761473704 |
[1,7,22,111,486,3772,29142,275871,2830459, 32028882,392744078,5201524044,73943424582, 1123603726896,18176728661832,311951284854975, 5661698774848910,108355867352001811, 2181096921557783966,46066653293892718506, 1018705098450761473704] |