27776: Quasi Repdigit 277..776

First few terms (base 10): \[[27^*6_8]_n=\{22,190,1534,12286,98302,\ldots\}\]

First few terms (base 8): \[\{\text{26},\text{276},\text{2776},\text{27776},\text{277776},\ldots\}\]

General Formula:\[[27^*6_8]_n=2\cdot\left(12\cdot8^{n}-1\right)\]

Equivalent Patterns: \[[57^*4_8]_n=2\cdot[27^*6_8]_n\]

Table

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