77747: Near Repdigit 77..7747

First few terms (base 10): \[[7^*47_8]_n=\{39,487,4071,32743,262119,\ldots\}\]

First few terms (base 8): \[\{\text{47},\text{747},\text{7747},\text{77747},\text{777747},\ldots\}\]

General Formula:\[[7^*47_8]_n=64\cdot8^{n}-25\]

Equivalent Patterns: (none)

Table

No table data.