88885: Near Repdigit 88..885

First few terms (base 10): \[[8^*5_9]_n=\{5,77,725,6557,59045,\ldots\}\]

First few terms (base 9): \[\{\text{5},\text{85},\text{885},\text{8885},\text{88885},\ldots\}\]

General Formula:\[[8^*5_9]_n=9\cdot9^{n}-4\]

Equivalent Patterns: \[[18^*1_9]_n=2\cdot[8^*5_9]_n\]

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