67778: Quasi Repdigit 677..778

First few terms (base 10): \[[67^*8_{10}]_n=\{68,678,6778,67778,677778,\ldots\}\]

General Formula:\[[67^*8_{10}]_n=2\cdot{305\cdot10^{n}+1\over9}\]

Equivalent Patterns: (none)

See Also: Factorization of 677..778 on stdkmd.net

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