22322: Near Repdigit Palindrome 22..22322..22

First few terms (base 10): \[[2^*32^*_9]_n=\{3,191,14843,1196471,96861683,\ldots\}\]

First few terms (base 9): \[\{\text{3},\text{232},\text{22322},\text{2223222},\text{222232222},\ldots\}\]

General Formula:\[[2^*32^*_9]_n={9\cdot9^{2n}+4\cdot9^{n}-1\over4}\]

Equivalent Patterns: \[[4^*64^*_9]_n=2\cdot[2^*32^*_9]_n\]

Table

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