31112: Quasi Repdigit 311..112

First few terms (base 10): \[[31^*2_7]_n=\{23,156,1087,7604,53223,\ldots\}\]

First few terms (base 7): \[\{\text{32},\text{312},\text{3112},\text{31112},\text{311112},\ldots\}\]

General Formula:\[[31^*2_7]_n={133\cdot7^{n}+5\over6}\]

Equivalent Patterns: \[[62^*4_7]_n=2\cdot[31^*2_7]_n\]

Table

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