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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 128 |
| 3 | 256 |
| 4 | 2304 |
| 5 | 3456 |
| 6 | 16384 |
| 7 | 32768 |
| 8 | 163840 |
| 9 | 288000 |
| 10 | 331776 |
| 11 | 497664 |
| 12 | 884736 |
| 13 | 995328 |
[1,128,256,2304,3456,16384,32768,163840,288000, 331776,497664,884736,995328] |