33331: Near Repdigit 33..331

First few terms (base 10): \[[3^*1_5]_n=\{1,16,91,466,2341,\ldots\}\]

First few terms (base 5): \[\{\text{1},\text{31},\text{331},\text{3331},\text{33331},\ldots\}\]

General Formula:\[[3^*1_5]_n={15\cdot5^{n}-11\over4}\]

Equivalent Patterns: (none)

Table

No table data.