99299: Near Repdigit Palindrome 99..99299..99

First few terms (base 10): \[[9^*29^*_{10}]_n=\{2,929,99299,9992999,999929999,\ldots\}\]

General Formula:\[[9^*29^*_{10}]_n=10\cdot10^{2n}-7\cdot10^{n}-1\]

Equivalent Patterns: (none)

See Also: Factorization of 99..99299..99 on stdkmd.net

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