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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 3518743763 |
| 4 | 17596287803 |
| 5 | 282429536483 |
| 6 | 54980371265627 |
| 7 | 93385106978411 |
| 8 | 110322650964683 |
| 9 | 151939915084883 |
| 10 | 1363532208525371 |
| 11 | 1870004703089603 |
| 12 | 3684302682180851 |
| 13 | 5257948522194371 |
| 14 | 15813440003753003 |
| 15 | 22416464978706683 |
| 16 | 33227552537453171 |
| 17 | 80425212553252451 |
[2,3,3518743763,17596287803,282429536483, 54980371265627,93385106978411,110322650964683, 151939915084883,1363532208525371,1870004703089603, 3684302682180851,5257948522194371, 15813440003753003,22416464978706683, 33227552537453171,80425212553252451] |