33733: Near Repdigit Palindrome 33..33733..33

First few terms (base 10): \[[3^*73^*_9]_n=\{7,309,22467,1796529,145308927,\ldots\}\]

First few terms (base 9): \[\{\text{7},\text{373},\text{33733},\text{3337333},\text{333373333},\ldots\}\]

General Formula:\[[3^*73^*_9]_n={27\cdot9^{2n}+32\cdot9^{n}-3\over8}\]

Equivalent Patterns: (none)

Table

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