25556: Quasi Repdigit 255..556

First few terms (base 10): \[[25^*6_{10}]_n=\{26,256,2556,25556,255556,\ldots\}\]

General Formula:\[[25^*6_{10}]_n=2\cdot{115\cdot10^{n}+2\over9}\]

Equivalent Patterns: \[[76^*8_{10}]_n=3\cdot[25^*6_{10}]_n\] \[[51^*2_{10}]_n=2\cdot[25^*6_{10}]_n\]

See Also: Factorization of 255..556 on stdkmd.net

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