72223: Quasi Repdigit 722..223

First few terms (base 10): \[[72^*3_{10}]_n=\{73,723,7223,72223,722223,\ldots\}\]

General Formula:\[[72^*3_{10}]_n={650\cdot10^{n}+7\over9}\]

Equivalent Patterns: \[[14^*6_{10}]_n=2\cdot[72^*3_{10}]_{n-1}\] \[[43^*8_{10}]_n=6\cdot[72^*3_{10}]_{n-1}\]

See Also: Factorization of 722..223 on stdkmd.net

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