77747: Near Repdigit 77..7747

First few terms (base 10): \[[7^*47_9]_n=\{43,610,5713,51640,464983,\ldots\}\]

First few terms (base 9): \[\{\text{47},\text{747},\text{7747},\text{77747},\text{777747},\ldots\}\]

General Formula:\[[7^*47_9]_n={567\cdot9^{n}-223\over8}\]

Equivalent Patterns: (none)

Table

No table data.