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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 7 |
| 2 | 1 |
| 3 | 77 |
| 4 | 1 |
| 5 | 700 |
| 6 | 1 |
| 7 | 6237 |
| 8 | 1 |
| 9 | 55447 |
| 10 | 1 |
| 11 | 492800 |
| 12 | 1 |
| 13 | 4379767 |
| 14 | 1 |
| 15 | 38925117 |
| 16 | 1 |
| 17 | 345946300 |
| 18 | 1 |
| 19 | 3074591597 |
| 20 | 1 |
| 21 | 27325378087 |
| 22 | 1 |
| 23 | 242853811200 |
| 24 | 1 |
| 25 | 2158358922727 |
| 26 | 1 |
| 27 | 19182376493357 |
| 28 | 1 |
| 29 | 170483029517500 |
| 30 | 1 |
| 31 | 1515164889164157 |
| 32 | 1 |
| 33 | 13466000972959927 |
| 34 | 1 |
[1,7,1,77,1,700,1,6237,1,55447,1,492800,1,4379767, 1,38925117,1,345946300,1,3074591597,1,27325378087, 1,242853811200,1,2158358922727,1,19182376493357,1, 170483029517500,1,1515164889164157,1, 13466000972959927,1] |