| n | a(n) |
|---|---|
| 1 | 256 |
| 2 | 2400 |
| 3 | 22506 |
| 4 | 211560 |
| 5 | 1998580 |
| 6 | 18841712 |
| 7 | 177646290 |
| 8 | 1674513256 |
| 9 | 15787986826 |
| 10 | 148843166800 |
| 11 | 1403280508044 |
| 12 | 13229588080992 |
| 13 | 124726066140698 |
| 14 | 1175883681522224 |
| 15 | 11085965466380794 |
| 16 | 104515595490058104 |
[256,2400,22506,211560,1998580,18841712,177646290, 1674513256,15787986826,148843166800,1403280508044, 13229588080992,124726066140698,1175883681522224, 11085965466380794,104515595490058104] |