77772: Near Repdigit 77..772

First few terms (base 10): \[[7^*2_{10}]_n=\{2,72,772,7772,77772,\ldots\}\]

General Formula:\[[7^*2_{10}]_n=2\cdot{35\cdot10^{n}-26\over9}\]

Equivalent Patterns: \[[38^*6_{10}]_n=[7^*2_{10}]_{n+1}/2\]

See Also: Factorization of 77..772 on stdkmd.net

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