65666: Near Repdigit 6566..66

First few terms (base 10): \[[656^*_{10}]_n=\{65,656,6566,65666,656666,\ldots\}\]

General Formula:\[[656^*_{10}]_n={197\cdot10^{n}-2\over3}\]

Equivalent Patterns: (none)

See Also: Factorization of 6566..66 on stdkmd.net

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