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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 165 |
| 3 | 103 |
| 4 | 798 |
| 5 | 5232 |
| 6 | 47440 |
| 7 | 296646 |
| 8 | 2733069 |
| 9 | 26024851 |
| 10 | 201787639 |
| 11 | 1816538401 |
| 12 | 16564524559 |
| 13 | 138289503554 |
| 14 | 1229262208629 |
| 15 | 10936054664014 |
| 16 | 93981425527645 |
| 17 | 829519231541114 |
| 18 | 7309156980531674 |
| 19 | 63553491773708500 |
| 20 | 558911166353330443 |
[5,165,103,798,5232,47440,296646,2733069,26024851, 201787639,1816538401,16564524559,138289503554, 1229262208629,10936054664014,93981425527645, 829519231541114,7309156980531674, 63553491773708500,558911166353330443] |