21113: Quasi Repdigit 211..113

First few terms (base 10): \[[21^*3_8]_n=\{19,139,1099,8779,70219,\ldots\}\]

First few terms (base 8): \[\{\text{23},\text{213},\text{2113},\text{21113},\text{211113},\ldots\}\]

General Formula:\[[21^*3_8]_n={120\cdot8^{n}+13\over7}\]

Equivalent Patterns: \[[42^*6_8]_n=2\cdot[21^*3_8]_n\]

Table

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