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| n | a(n) |
|---|---|
| 1 | 55 |
| 2 | 52555 |
| 3 | 8061815 |
| 4 | 3698768651 |
| 5 | 1978988798923 |
| 6 | 809078767234538 |
| 7 | 379214568001506095 |
| 8 | 181393966278900942665 |
| 9 | 83340040710624348072169 |
[55,52555,8061815,3698768651,1978988798923, 809078767234538,379214568001506095, 181393966278900942665,83340040710624348072169] |