n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 7 |
3 | 64 |
4 | 735 |
5 | 9276 |
6 | 124936 |
7 | 1753074 |
8 | 25366335 |
9 | 375677659 |
10 | 5667212132 |
11 | 86775157140 |
12 | 1345153548264 |
13 | 21069043965984 |
14 | 332927800269694 |
15 | 5301031234085664 |
16 | 84967018635587775 |
17 | 1369846562874360887 |
18 | 22199151536133457885 |
19 | 361411377745122110422 |
20 | 5908312923795257331460 |
[1,1,7,64,735,9276,124936,1753074,25366335, 375677659,5667212132,86775157140,1345153548264, 21069043965984,332927800269694,5301031234085664, 84967018635587775,1369846562874360887, 22199151536133457885,361411377745122110422, 5908312923795257331460] |