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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 165 |
| 3 | 322 |
| 4 | 1525 |
| 5 | 21250 |
| 6 | 165890 |
| 7 | 1201543 |
| 8 | 12609827 |
| 9 | 130759485 |
| 10 | 1165547325 |
| 11 | 11861528132 |
| 12 | 122671090575 |
| 13 | 1179210043855 |
| 14 | 11913085928857 |
| 15 | 121079296593807 |
| 16 | 1195464237944895 |
| 17 | 12031381095915147 |
| 18 | 121284411043719032 |
[5,165,322,1525,21250,165890,1201543,12609827, 130759485,1165547325,11861528132,122671090575, 1179210043855,11913085928857,121079296593807, 1195464237944895,12031381095915147, 121284411043719032] |