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| n | a(n) |
|---|---|
| 1 | 51200 |
| 2 | 278416 |
| 3 | 1194976 |
| 4 | 9063944 |
| 5 | 45063232 |
| 6 | 522622840 |
| 7 | 2708218400 |
| 8 | 47900472896 |
| 9 | 237397419968 |
| 10 | 5641443554520 |
| 11 | 26120821503104 |
| 12 | 739574090579480 |
| 13 | 3233074512082688 |
| 14 | 101480732115085168 |
| 15 | 425757022771491616 |
[51200,278416,1194976,9063944,45063232,522622840, 2708218400,47900472896,237397419968,5641443554520, 26120821503104,739574090579480,3233074512082688, 101480732115085168,425757022771491616] |