24445: Quasi Repdigit 244..445

First few terms (base 10): \[[24^*5_9]_n=\{23,203,1823,16403,147623,\ldots\}\]

First few terms (base 9): \[\{\text{25},\text{245},\text{2445},\text{24445},\text{244445},\ldots\}\]

General Formula:\[[24^*5_9]_n={45\cdot9^{n}+1\over2}\]

Equivalent Patterns: \[[50^*1_9]_n=2\cdot[24^*5_9]_n\] \[[74^*6_9]_n=3\cdot[24^*5_9]_n\]

Table

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