85555: Near Repdigit 855..55

First few terms (base 10): \[[85^*_9]_n=\{8,77,698,6287,56588,\ldots\}\]

First few terms (base 9): \[\{\text{8},\text{85},\text{855},\text{8555},\text{85555},\ldots\}\]

General Formula:\[[85^*_9]_n={69\cdot9^{n}-5\over8}\]

Equivalent Patterns: \[[27^*6_9]_n=3\cdot[85^*_9]_n\] \[[56^*3_9]_n=6\cdot[85^*_9]_n\]

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