87776: Quasi Repdigit 877..776

First few terms (base 10): \[[87^*6_9]_n=\{78,717,6468,58227,524058,\ldots\}\]

First few terms (base 9): \[\{\text{86},\text{876},\text{8776},\text{87776},\text{877776},\ldots\}\]

General Formula:\[[87^*6_9]_n=3\cdot{213\cdot9^{n}-5\over8}\]

Equivalent Patterns: (none)

Table

No table data.