37777: Near Repdigit 377..77

First few terms (base 10): \[[37^*_{10}]_n=\{3,37,377,3777,37777,\ldots\}\]

General Formula:\[[37^*_{10}]_n={34\cdot10^{n}-7\over9}\]

Equivalent Patterns: \[[75^*4_{10}]_n=2\cdot[37^*_{10}]_{n+1}\] \[[18^*5_{10}]_n=5\cdot[37^*_{10}]_n\]

See Also: Factorization of 377..77 on stdkmd.net

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