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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 16 |
| 3 | 102 |
| 4 | 989 |
| 5 | 15839 |
| 6 | 454223 |
| 7 | 22743106 |
| 8 | 1965912435 |
| 9 | 292568573966 |
| 10 | 74527048580258 |
| 11 | 32449227184884623 |
| 12 | 24089588153258657647 |
| 13 | 30462508808101945246072 |
| 14 | 65556106479277551484530086 |
[2,16,102,989,15839,454223,22743106,1965912435, 292568573966,74527048580258,32449227184884623, 24089588153258657647,30462508808101945246072, 65556106479277551484530086] |