30004: Quasi Repdigit 300..004

First few terms (base 10): \[[30^*4_{10}]_n=\{34,304,3004,30004,300004,\ldots\}\]

General Formula:\[[30^*4_{10}]_n=2\cdot\left(15\cdot10^{n}+2\right)\]

Equivalent Patterns: \[[60^*8_{10}]_n=2\cdot[30^*4_{10}]_n\]

See Also: Factorization of 300..004 on stdkmd.net

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