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| n | a(n) |
|---|---|
| 1 | 17 |
| 2 | 468 |
| 3 | 5370 |
| 4 | 131650 |
| 5 | 3307716 |
| 6 | 78510820 |
| 7 | 1740363958 |
| 8 | 38249638826 |
| 9 | 844387380911 |
| 10 | 18649094172670 |
| 11 | 413597303215047 |
| 12 | 9198603912775814 |
| 13 | 204434933733971755 |
| 14 | 4539111860110138352 |
| 15 | 100762741109236752675 |
| 16 | 2236881797334686400439 |
[17,468,5370,131650,3307716,78510820,1740363958, 38249638826,844387380911,18649094172670, 413597303215047,9198603912775814, 204434933733971755,4539111860110138352, 100762741109236752675,2236881797334686400439] |