78777: Near Repdigit 7877..77

First few terms (base 10): \[[787^*_9]_n=\{71,646,5821,52396,471571,\ldots\}\]

First few terms (base 9): \[\{\text{78},\text{787},\text{7877},\text{78777},\text{787777},\ldots\}\]

General Formula:\[[787^*_9]_n={575\cdot9^{n}-7\over8}\]

Equivalent Patterns: (none)

Table

No table data.