57777: Near Repdigit 577..77

First few terms (base 10): \[[57^*_9]_n=\{5,52,475,4282,38545,\ldots\}\]

First few terms (base 9): \[\{\text{5},\text{57},\text{577},\text{5777},\text{57777},\ldots\}\]

General Formula:\[[57^*_9]_n={47\cdot9^{n}-7\over8}\]

Equivalent Patterns: (none)

Table

No table data.