21115: Quasi Repdigit 211..115

First few terms (base 10): \[[21^*5_6]_n=\{17,83,479,2855,17111,\ldots\}\]

First few terms (base 6): \[\{\text{25},\text{215},\text{2115},\text{21115},\text{211115},\ldots\}\]

General Formula:\[[21^*5_6]_n={66\cdot6^{n}+19\over5}\]

Equivalent Patterns: (none)

Table

No table data.