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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 162 |
| 3 | 1430 |
| 4 | 11789 |
| 5 | 98975 |
| 6 | 923808 |
| 7 | 7678409 |
| 8 | 68363184 |
| 9 | 593948668 |
| 10 | 5187350050 |
| 11 | 45205777641 |
| 12 | 395015488029 |
| 13 | 3443605978936 |
| 14 | 30060887575003 |
| 15 | 262260968830996 |
| 16 | 2288567378102476 |
| 17 | 19968587237909055 |
| 18 | 174246131512755338 |
[5,162,1430,11789,98975,923808,7678409,68363184, 593948668,5187350050,45205777641,395015488029, 3443605978936,30060887575003,262260968830996, 2288567378102476,19968587237909055, 174246131512755338] |