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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 46 |
| 3 | 316 |
| 4 | 2868 |
| 5 | 35561 |
| 6 | 368770 |
| 7 | 3939121 |
| 8 | 42629909 |
| 9 | 457078213 |
| 10 | 4916699494 |
| 11 | 52878346101 |
| 12 | 568417591743 |
| 13 | 6111938688947 |
| 14 | 65715511636393 |
| 15 | 706559717931743 |
| 16 | 7596910600110019 |
| 17 | 81681361807250151 |
| 18 | 878231179494501589 |
[1,46,316,2868,35561,368770,3939121,42629909, 457078213,4916699494,52878346101,568417591743, 6111938688947,65715511636393,706559717931743, 7596910600110019,81681361807250151, 878231179494501589] |