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| n | a(n) |
|---|---|
| 1 | 31 |
| 2 | 961 |
| 3 | 11067 |
| 4 | 127449 |
| 5 | 2048823 |
| 6 | 32936121 |
| 7 | 474552171 |
| 8 | 6837470721 |
| 9 | 102807481767 |
| 10 | 1545802349809 |
| 11 | 22864149458035 |
| 12 | 338186399124025 |
| 13 | 5035128104126565 |
| 14 | 74966098845588129 |
| 15 | 1113208750837622133 |
| 16 | 16530588386278151641 |
[31,961,11067,127449,2048823,32936121,474552171, 6837470721,102807481767,1545802349809, 22864149458035,338186399124025,5035128104126565, 74966098845588129,1113208750837622133, 16530588386278151641] |