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| n | a(n) |
|---|---|
| 1 | 12 |
| 2 | 540 |
| 3 | 31276 |
| 4 | 1729212 |
| 5 | 99685406 |
| 6 | 5826888288 |
| 7 | 345505561776 |
| 8 | 20683003285236 |
| 9 | 1247496214559062 |
| 10 | 75696417871360268 |
| 11 | 4615888774091221702 |
| 12 | 282636062954942366016 |
| 13 | 17366871309998173841404 |
| 14 | 1070340278818744008980972 |
[12,540,31276,1729212,99685406,5826888288, 345505561776,20683003285236,1247496214559062, 75696417871360268,4615888774091221702, 282636062954942366016,17366871309998173841404, 1070340278818744008980972] |