31112: Quasi Repdigit 311..112

First few terms (base 10): \[[31^*2_9]_n=\{29,254,2279,20504,184529,\ldots\}\]

First few terms (base 9): \[\{\text{32},\text{312},\text{3112},\text{31112},\text{311112},\ldots\}\]

General Formula:\[[31^*2_9]_n={225\cdot9^{n}+7\over8}\]

Equivalent Patterns: \[[62^*4_9]_n=2\cdot[31^*2_9]_n\]

Table

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