22212: Near Repdigit 22..2212

First few terms (base 10): \[[2^*12_9]_n=\{11,173,1631,14753,132851,\ldots\}\]

First few terms (base 9): \[\{\text{12},\text{212},\text{2212},\text{22212},\text{222212},\ldots\}\]

General Formula:\[[2^*12_9]_n={81\cdot9^{n}-37\over4}\]

Equivalent Patterns: \[[4^*24_9]_n=2\cdot[2^*12_9]_n\] \[[8^*48_9]_n=4\cdot[2^*12_9]_n\] \[[6^*36_9]_n=3\cdot[2^*12_9]_n\]

Table

No table data.