14444: Near Repdigit 144..44

First few terms (base 10): \[[14^*_{10}]_n=\{1,14,144,1444,14444,\ldots\}\]

General Formula:\[[14^*_{10}]_n={13\cdot10^{n}-4\over9}\]

Equivalent Patterns: \[[72^*_{10}]_n=[14^*_{10}]_{n+1}/2\] \[[28^*_{10}]_n=2\cdot[14^*_{10}]_n\] \[[43^*2_{10}]_n=3\cdot[14^*_{10}]_{n+1}\] \[[86^*4_{10}]_n=6\cdot[14^*_{10}]_{n+1}\] \[[57^*6_{10}]_n=4\cdot[14^*_{10}]_{n+1}\]

See Also: Factorization of 144..44 on stdkmd.net

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