88588: Near Repdigit Palindrome 88..88588..88

First few terms (base 10): \[[8^*58^*_9]_n=\{5,701,58805,4780781,387400805,\ldots\}\]

First few terms (base 9): \[\{\text{5},\text{858},\text{88588},\text{8885888},\text{888858888},\ldots\}\]

General Formula:\[[8^*58^*_9]_n=9\cdot9^{2n}-3\cdot9^{n}-1\]

Equivalent Patterns: (none)

Table

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