n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 15 |
3 | 455 |
4 | 25487 |
5 | 2293839 |
6 | 302786759 |
7 | 55107190151 |
8 | 13225725636255 |
9 | 4047072044694047 |
10 | 1537887376983737879 |
11 | 710503968166486900119 |
12 | 392198190427900768865711 |
13 | 254928823778135499762712175 |
14 | 192726190776270437820610404327 |
15 | 167671785975355280903931051764519 |
[0,1,15,455,25487,2293839,302786759,55107190151, 13225725636255,4047072044694047, 1537887376983737879,710503968166486900119, 392198190427900768865711, 254928823778135499762712175, 192726190776270437820610404327, 167671785975355280903931051764519] |