21114: Quasi Repdigit 211..114

First few terms (base 10): \[[21^*4_7]_n=\{18,109,746,5205,36418,\ldots\}\]

First few terms (base 7): \[\{\text{24},\text{214},\text{2114},\text{21114},\text{211114},\ldots\}\]

General Formula:\[[21^*4_7]_n={91\cdot7^{n}+17\over6}\]

Equivalent Patterns: (none)

Table

No table data.