55575: Near Repdigit 55..5575

First few terms (base 10): \[[5^*75_9]_n=\{68,473,4118,36923,332168,\ldots\}\]

First few terms (base 9): \[\{\text{75},\text{575},\text{5575},\text{55575},\text{555575},\ldots\}\]

General Formula:\[[5^*75_9]_n={405\cdot9^{n}+139\over8}\]

Equivalent Patterns: (none)

Table

No table data.