25557: Quasi Repdigit 255..557

First few terms (base 10): \[[25^*7_8]_n=\{23,175,1391,11119,88943,\ldots\}\]

First few terms (base 8): \[\{\text{27},\text{257},\text{2557},\text{25557},\text{255557},\ldots\}\]

General Formula:\[[25^*7_8]_n={152\cdot8^{n}+9\over7}\]

Equivalent Patterns: \[[53^*6_8]_n=2\cdot[25^*7_8]_n\]

Table

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