33313: Near Repdigit 33..3313

First few terms (base 10): \[[3^*13_9]_n=\{12,255,2442,22125,199272,\ldots\}\]

First few terms (base 9): \[\{\text{13},\text{313},\text{3313},\text{33313},\text{333313},\ldots\}\]

General Formula:\[[3^*13_9]_n=3\cdot{81\cdot9^{n}-49\over8}\]

Equivalent Patterns: \[[6^*26_9]_n=2\cdot[3^*13_9]_n\]

Table

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