81117: Quasi Repdigit 811..117

First few terms (base 10): \[[81^*7_9]_n=\{79,664,5929,53314,479779,\ldots\}\]

First few terms (base 9): \[\{\text{87},\text{817},\text{8117},\text{81117},\text{811117},\ldots\}\]

General Formula:\[[81^*7_9]_n={585\cdot9^{n}+47\over8}\]

Equivalent Patterns: (none)

Table

No table data.