55551: Near Repdigit 55..551
First few terms (base 10): \[[5^*1_{10}]_n=\{1,51,551,5551,55551,\ldots\}\]
General Formula:\[[5^*1_{10}]_n={50\cdot10^{n}-41\over9}\]
Equivalent Patterns: (none)
See Also: Factorization of 55..551 on stdkmd.net
Table
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