23333: Near Repdigit 233..33

First few terms (base 10): \[[23^*_7]_n=\{2,17,122,857,6002,\ldots\}\]

First few terms (base 7): \[\{\text{2},\text{23},\text{233},\text{2333},\text{23333},\ldots\}\]

General Formula:\[[23^*_7]_n={5\cdot7^{n}-1\over2}\]

Equivalent Patterns: \[[46^*_7]_n=2\cdot[23^*_7]_n\]

Table

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