n | a(n) |
---|---|
1 | 1 |
2 | 8 |
3 | 49 |
4 | 294 |
5 | 1791 |
6 | 11087 |
7 | 69497 |
8 | 439790 |
9 | 2803657 |
10 | 17978388 |
11 | 115837591 |
12 | 749321715 |
13 | 4863369655 |
14 | 31655226107 |
15 | 206549749929 |
16 | 1350638103790 |
17 | 8848643946549 |
18 | 58069093513634 |
19 | 381650672631329 |
20 | 2511733593767294 |
21 | 16550500379912639 |
22 | 109176697072162079 |
23 | 720921085149563159 |
[1,8,49,294,1791,11087,69497,439790,2803657, 17978388,115837591,749321715,4863369655, 31655226107,206549749929,1350638103790, 8848643946549,58069093513634,381650672631329, 2511733593767294,16550500379912639, 109176697072162079,720921085149563159] |