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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 16 |
| 3 | 316 |
| 4 | 21937 |
| 5 | 4805140 |
| 6 | 3043939392 |
| 7 | 6231989402196 |
| 8 | 39466951597153578 |
| 9 | 765738615267315132042 |
| 10 | 46457365071065953602984688 |
| 11 | 8729291812408997804314294504336 |
| 12 | 5077761520250192263227063403337912870 |
[2,16,316,21937,4805140,3043939392,6231989402196, 39466951597153578,765738615267315132042, 46457365071065953602984688, 8729291812408997804314294504336, 5077761520250192263227063403337912870] |