n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 19 |
4 | 198 |
5 | 2906 |
6 | 55018 |
7 | 1275030 |
8 | 34947664 |
9 | 1105740320 |
10 | 39661089864 |
11 | 1590232358584 |
12 | 70482038536880 |
13 | 3421732373367504 |
14 | 180574681050278960 |
15 | 10292371442183694832 |
16 | 630125771602386523392 |
17 | 41239934114630205030656 |
[1,3,19,198,2906,55018,1275030,34947664, 1105740320,39661089864,1590232358584, 70482038536880,3421732373367504, 180574681050278960,10292371442183694832, 630125771602386523392,41239934114630205030656] |