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| n | a(n) |
|---|---|
| 2 | 1365 |
| 3 | 60920 |
| 4 | 2816409 |
| 5 | 132103824 |
| 6 | 6238756831 |
| 7 | 295545642334 |
| 8 | 14020698615685 |
| 9 | 665580139683936 |
| 10 | 31605577678427531 |
| 11 | 1501028805154667736 |
| 12 | 71292415421456529651 |
| 13 | 3386189554819795682250 |
| 14 | 160836875185955529578497 |
| 15 | 7639466332037337857340948 |
| 16 | 362862300943189672121948117 |
[1365,60920,2816409,132103824,6238756831, 295545642334,14020698615685,665580139683936, 31605577678427531,1501028805154667736, 71292415421456529651,3386189554819795682250, 160836875185955529578497, 7639466332037337857340948, 362862300943189672121948117] |