58888: Near Repdigit 588..88

First few terms (base 10): \[[58^*_9]_n=\{5,53,485,4373,39365,\ldots\}\]

First few terms (base 9): \[\{\text{5},\text{58},\text{588},\text{5888},\text{58888},\ldots\}\]

General Formula:\[[58^*_9]_n=6\cdot9^{n}-1\]

Equivalent Patterns: \[[18^*6_9]_n=3\cdot[58^*_9]_n\] \[[38^*3_9]_n=6\cdot[58^*_9]_n\]

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