99899: Near Repdigit Palindrome 99..99899..99

First few terms (base 10): \[[9^*89^*_{10}]_n=\{8,989,99899,9998999,999989999,\ldots\}\]

General Formula:\[[9^*89^*_{10}]_n=10\cdot10^{2n}-10^{n}-1\]

Equivalent Patterns: (none)

See Also: Factorization of 99..99899..99 on stdkmd.net

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