33313: Near Repdigit 33..3313

First few terms (base 10): \[[3^*13_7]_n=\{10,157,1186,8389,58810,\ldots\}\]

First few terms (base 7): \[\{\text{13},\text{313},\text{3313},\text{33313},\text{333313},\ldots\}\]

General Formula:\[[3^*13_7]_n={49\cdot7^{n}-29\over2}\]

Equivalent Patterns: \[[6^*26_7]_n=2\cdot[3^*13_7]_n\]

Table

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