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| n | a(n) |
|---|---|
| 2 | 5 |
| 3 | 4 |
| 4 | 177 |
| 5 | 177 |
| 6 | 67171 |
| 7 | 24496 |
| 8 | 6171153 |
| 9 | 2363395 |
| 10 | 596573677 |
| 11 | 3534512316 |
| 12 | 6710978680555 |
| 13 | 2707656123529 |
| 14 | 343695700251895 |
| 15 | 591536420936128 |
| 16 | 3512690883913201441 |
| 17 | 4369893745689517617 |
| 18 | 20060812748305815088963 |
[5,4,177,177,67171,24496,6171153,2363395, 596573677,3534512316,6710978680555,2707656123529, 343695700251895,591536420936128, 3512690883913201441,4369893745689517617, 20060812748305815088963] |