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| n | a(n) |
|---|---|
| 1 | 28 |
| 2 | 83 |
| 3 | 1516 |
| 4 | 3420 |
| 5 | 5503 |
| 6 | 30889 |
| 7 | 75228 |
| 8 | 776563 |
| 9 | 2428283 |
| 10 | 3035356 |
| 11 | 29901479 |
| 12 | 68334642 |
| 13 | 113284785 |
| 14 | 776887258 |
| 15 | 1719856432 |
| 16 | 3353407292 |
| 17 | 19232010711 |
| 18 | 27678166236 |
| 19 | 29160146546 |
| 20 | 305337557432 |
| 21 | 95950163566107 |
| 22 | 114852386371373 |
[28,83,1516,3420,5503,30889,75228,776563,2428283, 3035356,29901479,68334642,113284785,776887258, 1719856432,3353407292,19232010711,27678166236, 29160146546,305337557432,95950163566107, 114852386371373] |