n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 45 |
3 | 831 |
4 | 17181 |
5 | 375903 |
6 | 8530929 |
7 | 198643455 |
8 | 4714491357 |
9 | 113550338127 |
10 | 2767105469745 |
11 | 68077260387315 |
12 | 1688160321677025 |
13 | 42142679453321307 |
14 | 1058050429855640217 |
15 | 26695057057648257231 |
16 | 676431705046728704733 |
[1,3,45,831,17181,375903,8530929,198643455, 4714491357,113550338127,2767105469745, 68077260387315,1688160321677025,42142679453321307, 1058050429855640217,26695057057648257231, 676431705046728704733] |