12224: Quasi Repdigit 122..224

First few terms (base 10): \[[12^*4_{10}]_n=\{14,124,1224,12224,122224,\ldots\}\]

General Formula:\[[12^*4_{10}]_n=2\cdot{55\cdot10^{n}+8\over9}\]

Equivalent Patterns: \[[61^*2_{10}]_n=[12^*4_{10}]_{n+1}/2\] \[[24^*8_{10}]_n=2\cdot[12^*4_{10}]_n\]

See Also: Factorization of 611..112 on stdkmd.net

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