57555: Near Repdigit 5755..55

First few terms (base 10): \[[575^*_9]_n=\{52,473,4262,38363,345272,\ldots\}\]

First few terms (base 9): \[\{\text{57},\text{575},\text{5755},\text{57555},\text{575555},\ldots\}\]

General Formula:\[[575^*_9]_n={421\cdot9^{n}-5\over8}\]

Equivalent Patterns: (none)

Table

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