n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 15 |
4 | 45 |
5 | 1035 |
6 | 85905 |
7 | 1116765 |
8 | 657774585 |
9 | 16566052923225 |
10 | 1679075536205721159675 |
11 | 5080495373624679083985366566435450475 |
12 | 61777199356706369989502028371103145170633166772200816412636015025 |
[1,3,15,45,1035,85905,1116765,657774585, 16566052923225,1679075536205721159675, 5080495373624679083985366566435450475, 61777199356706369989502028371103145170633166772200\ 816412636015025] |