33233: Near Repdigit Palindrome 33..33233..33

First few terms (base 10): \[[3^*23^*_4]_n=\{2,59,1007,16319,261887,\ldots\}\]

First few terms (base 4): \[\{\text{2},\text{323},\text{33233},\text{3332333},\text{333323333},\ldots\}\]

General Formula:\[[3^*23^*_4]_n=4\cdot4^{2n}-4^{n}-1\]

Equivalent Patterns: (none)

Table

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