40001: Quasi Repdigit 400..001

First few terms (base 10): \[[40^*1_9]_n=\{37,325,2917,26245,236197,\ldots\}\]

First few terms (base 9): \[\{\text{41},\text{401},\text{4001},\text{40001},\text{400001},\ldots\}\]

General Formula:\[[40^*1_9]_n=36\cdot9^{n}+1\]

Equivalent Patterns: \[[80^*2_9]_n=2\cdot[40^*1_9]_n\]

Table

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