87888: Near Repdigit 8788..88

First few terms (base 10): \[[878^*_9]_n=\{79,719,6479,58319,524879,\ldots\}\]

First few terms (base 9): \[\{\text{87},\text{878},\text{8788},\text{87888},\text{878888},\ldots\}\]

General Formula:\[[878^*_9]_n=80\cdot9^{n}-1\]

Equivalent Patterns: (none)

Table

No table data.