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| n | a(n) |
|---|---|
| 1 | 16 |
| 2 | 512 |
| 3 | 11510 |
| 4 | 255788 |
| 5 | 5721314 |
| 6 | 127754533 |
| 7 | 2853437287 |
| 8 | 63734296219 |
| 9 | 1423516915862 |
| 10 | 31794998110094 |
| 11 | 710154971278256 |
| 12 | 15861630170072917 |
| 13 | 354276635981044865 |
| 14 | 7912927363356054335 |
| 15 | 176738783688745727267 |
[16,512,11510,255788,5721314,127754533,2853437287, 63734296219,1423516915862,31794998110094, 710154971278256,15861630170072917, 354276635981044865,7912927363356054335, 176738783688745727267] |