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| n | a(n) |
|---|---|
| 1 | 12 |
| 2 | 280 |
| 3 | 3853 |
| 4 | 59126 |
| 5 | 898493 |
| 6 | 13706771 |
| 7 | 209181266 |
| 8 | 3184995895 |
| 9 | 48548926944 |
| 10 | 740019106008 |
| 11 | 11277857830329 |
| 12 | 171883749077632 |
| 13 | 2619682437092951 |
| 14 | 39926222792932513 |
| 15 | 608509663116604097 |
| 16 | 9274219880373144746 |
[12,280,3853,59126,898493,13706771,209181266, 3184995895,48548926944,740019106008, 11277857830329,171883749077632,2619682437092951, 39926222792932513,608509663116604097, 9274219880373144746] |