86661: Quasi Repdigit 866..661

First few terms (base 10): \[[86^*1_9]_n=\{73,703,6373,57403,516673,\ldots\}\]

First few terms (base 9): \[\{\text{81},\text{861},\text{8661},\text{86661},\text{866661},\ldots\}\]

General Formula:\[[86^*1_9]_n={315\cdot9^{n}-23\over4}\]

Equivalent Patterns: (none)

Table

No table data.