25555: Near Repdigit 255..55

First few terms (base 10): \[[25^*_8]_n=\{2,21,173,1389,11117,\ldots\}\]

First few terms (base 8): \[\{\text{2},\text{25},\text{255},\text{2555},\text{25555},\ldots\}\]

General Formula:\[[25^*_8]_n={19\cdot8^{n}-5\over7}\]

Equivalent Patterns: \[[53^*2_8]_n=2\cdot[25^*_8]_{n+1}\]

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