31333: Near Repdigit 3133..33

First few terms (base 10): \[[313^*_4]_n=\{13,55,223,895,3583,\ldots\}\]

First few terms (base 4): \[\{\text{31},\text{313},\text{3133},\text{31333},\text{313333},\ldots\}\]

General Formula:\[[313^*_4]_n=14\cdot4^{n}-1\]

Equivalent Patterns: (none)

Table

No table data.