n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 1221 |
3 | 231880 |
4 | 13443885 |
5 | 340203456 |
6 | 4910472385 |
7 | 47565216504 |
8 | 342540938025 |
9 | 1962871989130 |
10 | 9382270310061 |
11 | 38701449021984 |
12 | 141297910237237 |
13 | 465502930269300 |
14 | 1404867737405385 |
15 | 3930816255364816 |
16 | 10296122969028753 |
17 | 25448298063869070 |
18 | 59744930256741205 |
[1,6,1221,231880,13443885,340203456,4910472385, 47565216504,342540938025,1962871989130, 9382270310061,38701449021984,141297910237237, 465502930269300,1404867737405385,3930816255364816, 10296122969028753,25448298063869070, 59744930256741205] |