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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3974779 |
| 3 | 15681179 |
| 4 | 250818839 |
| 5 | 6682314181 |
| 6 | 9143935289 |
| 7 | 311484445891 |
| 8 | 718930864213 |
| 9 | 1004267651657 |
| 10 | 7014674460791 |
| 11 | 1745134691306711 |
| 12 | 2853623691677477 |
| 13 | 9950715071009107 |
[2,3974779,15681179,250818839,6682314181, 9143935289,311484445891,718930864213, 1004267651657,7014674460791,1745134691306711, 2853623691677477,9950715071009107] |