n | a(n) |
---|---|
1 | 2 |
2 | 15 |
3 | 120 |
4 | 1190 |
5 | 14595 |
6 | 215950 |
7 | 3761310 |
8 | 75550188 |
9 | 1721103648 |
10 | 43872089118 |
11 | 1237592664451 |
12 | 38282002057156 |
13 | 1288537309627464 |
14 | 46886217384094764 |
15 | 1834003542264708444 |
16 | 76744318019878844916 |
17 | 3420833746251201921980 |
[2,15,120,1190,14595,215950,3761310,75550188, 1721103648,43872089118,1237592664451, 38282002057156,1288537309627464,46886217384094764, 1834003542264708444,76744318019878844916, 3420833746251201921980] |