61111: Near Repdigit 611..11

First few terms (base 10): \[[61^*_9]_n=\{6,55,496,4465,40186,\ldots\}\]

First few terms (base 9): \[\{\text{6},\text{61},\text{611},\text{6111},\text{61111},\ldots\}\]

General Formula:\[[61^*_9]_n={49\cdot9^{n}-1\over8}\]

Equivalent Patterns: (none)

Table

No table data.