33337: Near Repdigit 33..337

First few terms (base 10): \[[3^*7_8]_n=\{7,31,223,1759,14047,\ldots\}\]

First few terms (base 8): \[\{\text{7},\text{37},\text{337},\text{3337},\text{33337},\ldots\}\]

General Formula:\[[3^*7_8]_n={24\cdot8^{n}+25\over7}\]

Equivalent Patterns: \[[6^*76_8]_n=2\cdot[3^*7_8]_{n+1}\]

Table

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