21113: Quasi Repdigit 211..113

First few terms (base 10): \[[21^*3_6]_n=\{15,81,477,2853,17109,\ldots\}\]

First few terms (base 6): \[\{\text{23},\text{213},\text{2113},\text{21113},\text{211113},\ldots\}\]

General Formula:\[[21^*3_6]_n=3\cdot{22\cdot6^{n}+3\over5}\]

Equivalent Patterns: \[[42^*3_6]_n=[21^*3_6]_{n+1}/3\]

Table

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