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| n | a(n) |
|---|---|
| 10 | 16796 |
| 11 | 2735810 |
| 12 | 255290156 |
| 13 | 17977098425 |
| 14 | 1063758951255 |
| 15 | 55927419074670 |
| 16 | 2700837720153300 |
| 17 | 122411464503168984 |
| 18 | 5284666028132079380 |
| 19 | 219622926821644989478 |
| 20 | 8855064908059488718600 |
| 21 | 348436223706779520860457 |
| 22 | 13441577595226619289460295 |
| 23 | 510180504585665885463323546 |
[16796,2735810,255290156,17977098425, 1063758951255,55927419074670,2700837720153300, 122411464503168984,5284666028132079380, 219622926821644989478,8855064908059488718600, 348436223706779520860457, 13441577595226619289460295, 510180504585665885463323546] |