28881: Quasi Repdigit 288..881

First few terms (base 10): \[[28^*1_9]_n=\{19,235,2179,19675,177139,\ldots\}\]

First few terms (base 9): \[\{\text{21},\text{281},\text{2881},\text{28881},\text{288881},\ldots\}\]

General Formula:\[[28^*1_9]_n=27\cdot9^{n}-8\]

Equivalent Patterns: (none)

Table

No table data.