n | a(n) |
---|---|
1 | 1 |
2 | 6 |
3 | 27 |
4 | 220 |
5 | 1765 |
6 | 14126 |
7 | 113015 |
8 | 1808248 |
9 | 28931977 |
10 | 462911642 |
11 | 7406586283 |
12 | 118505380540 |
13 | 1896086088653 |
14 | 30337377418462 |
15 | 485398038695407 |
16 | 15532737238253040 |
17 | 497047591624097297 |
18 | 15905522931971113522 |
19 | 508976733823075632723 |
20 | 16287255482338420247156 |
[1,6,27,220,1765,14126,113015,1808248,28931977, 462911642,7406586283,118505380540,1896086088653, 30337377418462,485398038695407,15532737238253040, 497047591624097297,15905522931971113522, 508976733823075632723,16287255482338420247156] |