17111: Near Repdigit 1711..11

First few terms (base 10): \[[171^*_8]_n=\{15,121,969,7753,62025,\ldots\}\]

First few terms (base 8): \[\{\text{17},\text{171},\text{1711},\text{17111},\text{171111},\ldots\}\]

General Formula:\[[171^*_8]_n={106\cdot8^{n}-1\over7}\]

Equivalent Patterns: \[[74^*_8]_n=4\cdot[171^*_8]_{n-1}\]

Table

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