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| n | a(n) |
|---|---|
| 1 | 181 |
| 2 | 362 |
| 3 | 724 |
| 4 | 1448 |
| 5 | 741455 |
| 6 | 11863283 |
| 7 | 99516432383215 |
| 8 | 1592262918131443 |
| 9 | 12738103345051545 |
| 10 | 101904826760412361 |
| 11 | 203809653520824722 |
| 12 | 407619307041649444 |
| 13 | 3260954456333195553 |
| 14 | 6521908912666391106 |
| 15 | 417402170410649030795 |
| 16 | 1709679290002018430137083 |
| 17 | 3419358580004036860274166 |
[181,362,724,1448,741455,11863283,99516432383215, 1592262918131443,12738103345051545, 101904826760412361,203809653520824722, 407619307041649444,3260954456333195553, 6521908912666391106,417402170410649030795, 1709679290002018430137083, 3419358580004036860274166] |