77771: Near Repdigit 77..771

First few terms (base 10): \[[7^*1_9]_n=\{1,64,631,5734,51661,\ldots\}\]

First few terms (base 9): \[\{\text{1},\text{71},\text{771},\text{7771},\text{77771},\ldots\}\]

General Formula:\[[7^*1_9]_n={63\cdot9^{n}-55\over8}\]

Equivalent Patterns: (none)

Table

No table data.