55553: Near Repdigit 55..553

First few terms (base 10): \[[5^*3_8]_n=\{3,43,363,2923,23403,\ldots\}\]

First few terms (base 8): \[\{\text{3},\text{53},\text{553},\text{5553},\text{55553},\ldots\}\]

General Formula:\[[5^*3_8]_n={40\cdot8^{n}-19\over7}\]

Equivalent Patterns: (none)

Table

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