n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 15 |
4 | 944 |
5 | 725500 |
6 | 9319882896 |
7 | 2537598028922726 |
8 | 17768840869582166129408 |
9 | 3754397843576564028373337684409 |
10 | 27480138271604938576005130925123233245100 |
[1,2,15,944,725500,9319882896,2537598028922726, 17768840869582166129408, 3754397843576564028373337684409, 27480138271604938576005130925123233245100] |