n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 7 |
3 | 33 |
4 | 183 |
5 | 1118 |
6 | 7281 |
7 | 49626 |
8 | 349999 |
9 | 2535078 |
10 | 18758265 |
11 | 141254655 |
12 | 1079364105 |
13 | 8350678170 |
14 | 65298467487 |
15 | 515349097713 |
16 | 4100346740511 |
17 | 32858696386766 |
18 | 265001681344569 |
[1,2,7,33,183,1118,7281,49626,349999,2535078, 18758265,141254655,1079364105,8350678170, 65298467487,515349097713,4100346740511, 32858696386766,265001681344569] |