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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 64 |
| 2 | 12634 |
| 3 | 3149674 |
| 4 | 846280548 |
| 5 | 233276449488 |
| 6 | 64878517290010 |
| 7 | 18100579400986674 |
| 8 | 5055501014135301068 |
| 9 | 1412555471061355121760 |
| 10 | 394736020870056624585954 |
| 11 | 110313635920498690779144346 |
| 12 | 30828978488622550052903902112 |
| 13 | 8615722882208603126215501978476 |
[1,64,12634,3149674,846280548,233276449488, 64878517290010,18100579400986674, 5055501014135301068,1412555471061355121760, 394736020870056624585954, 110313635920498690779144346, 30828978488622550052903902112, 8615722882208603126215501978476] |