42225: Quasi Repdigit 422..225

First few terms (base 10): \[[42^*5_{10}]_n=\{45,425,4225,42225,422225,\ldots\}\]

General Formula:\[[42^*5_{10}]_n=5\cdot{76\cdot10^{n}+5\over9}\]

Equivalent Patterns: \[[84^*5_{10}]_n=[42^*5_{10}]_{n+1}/5\]

See Also: Factorization of 844..445 on stdkmd.net

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