n | a(n) |
---|---|
1 | 1 |
2 | 5 |
3 | 45 |
4 | 495 |
5 | 6095 |
6 | 80617 |
7 | 1121075 |
8 | 16177405 |
9 | 240196280 |
10 | 3648115531 |
11 | 56440473990 |
12 | 886696345225 |
13 | 14111836458890 |
14 | 227093585071305 |
15 | 3689707621144614 |
[1,5,45,495,6095,80617,1121075,16177405,240196280, 3648115531,56440473990,886696345225, 14111836458890,227093585071305,3689707621144614] |