77717: Near Repdigit 77..7717

First few terms (base 10): \[[7^*17_9]_n=\{16,583,5686,51613,464956,\ldots\}\]

First few terms (base 9): \[\{\text{17},\text{717},\text{7717},\text{77717},\text{777717},\ldots\}\]

General Formula:\[[7^*17_9]_n={567\cdot9^{n}-439\over8}\]

Equivalent Patterns: (none)

Table

No table data.