33331: Near Repdigit 33..331

First few terms (base 10): \[[3^*1_8]_n=\{1,25,217,1753,14041,\ldots\}\]

First few terms (base 8): \[\{\text{1},\text{31},\text{331},\text{3331},\text{33331},\ldots\}\]

General Formula:\[[3^*1_8]_n={24\cdot8^{n}-17\over7}\]

Equivalent Patterns: \[[6^*2_8]_n=2\cdot[3^*1_8]_n\]

Table

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