n | a(n) |
---|---|
1 | 1 |
2 | 28 |
3 | 92 |
4 | 435 |
5 | 1766 |
6 | 7598 |
7 | 31987 |
8 | 135810 |
9 | 574786 |
10 | 2435653 |
11 | 10316252 |
12 | 43702500 |
13 | 185123261 |
14 | 784200368 |
15 | 3321916912 |
16 | 14071880655 |
17 | 59609419066 |
18 | 252509590018 |
19 | 1069647725567 |
20 | 4531100578950 |
21 | 19194049901126 |
22 | 81307300410353 |
[1,28,92,435,1766,7598,31987,135810,574786, 2435653,10316252,43702500,185123261,784200368, 3321916912,14071880655,59609419066,252509590018, 1069647725567,4531100578950,19194049901126, 81307300410353] |