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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 313 |
| 3 | 842 |
| 4 | 7421 |
| 5 | 29479 |
| 6 | 200144 |
| 7 | 992789 |
| 8 | 5930552 |
| 9 | 32529473 |
| 10 | 183511110 |
| 11 | 1040095115 |
| 12 | 5814425752 |
| 13 | 32991537449 |
| 14 | 185215371545 |
| 15 | 1046962946963 |
| 16 | 5898040401117 |
| 17 | 33274465102765 |
| 18 | 187679674103195 |
| 19 | 1058350295231955 |
[3,313,842,7421,29479,200144,992789,5930552, 32529473,183511110,1040095115,5814425752, 32991537449,185215371545,1046962946963, 5898040401117,33274465102765,187679674103195, 1058350295231955] |