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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 32 |
| 3 | 120 |
| 4 | 448 |
| 5 | 874 |
| 6 | 2498 |
| 7 | 4280 |
| 8 | 10992 |
| 9 | 18566 |
| 10 | 32056 |
| 11 | 52408 |
| 12 | 107154 |
| 13 | 142740 |
| 14 | 232578 |
[2,32,120,448,874,2498,4280,10992,18566,32056, 52408,107154,142740,232578] |