41111: Near Repdigit 411..11

First few terms (base 10): \[[41^*_7]_n=\{4,29,204,1429,10004,\ldots\}\]

First few terms (base 7): \[\{\text{4},\text{41},\text{411},\text{4111},\text{41111},\ldots\}\]

General Formula:\[[41^*_7]_n={25\cdot7^{n}-1\over6}\]

Equivalent Patterns: (none)

Table

No table data.