22212: Near Repdigit 22..2212

First few terms (base 10): \[[2^*12_3]_n=\{5,23,77,239,725,\ldots\}\]

First few terms (base 3): \[\{\text{12},\text{212},\text{2212},\text{22212},\text{222212},\ldots\}\]

General Formula:\[[2^*12_3]_n=9\cdot3^{n}-4\]

Equivalent Patterns: (none)

Table

No table data.