40003: Quasi Repdigit 400..003

First few terms (base 10): \[[40^*3_9]_n=\{39,327,2919,26247,236199,\ldots\}\]

First few terms (base 9): \[\{\text{43},\text{403},\text{4003},\text{40003},\text{400003},\ldots\}\]

General Formula:\[[40^*3_9]_n=3\cdot\left(12\cdot9^{n}+1\right)\]

Equivalent Patterns: \[[80^*6_9]_n=2\cdot[40^*3_9]_n\]

Table

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