| n | a(n) |
|---|---|
| 1 | 11 |
| 2 | 315 |
| 3 | 5594 |
| 4 | 118489 |
| 5 | 2482216 |
| 6 | 52086421 |
| 7 | 1092258910 |
| 8 | 22909266015 |
| 9 | 480473869537 |
| 10 | 10077157027608 |
| 11 | 211350503493933 |
| 12 | 4432712286529026 |
| 13 | 92968428515505883 |
| 14 | 1949851492689803393 |
| 15 | 40894749305093748839 |
| 16 | 857696374917901826350 |
[11,315,5594,118489,2482216,52086421,1092258910, 22909266015,480473869537,10077157027608, 211350503493933,4432712286529026, 92968428515505883,1949851492689803393, 40894749305093748839,857696374917901826350] |