15558: Quasi Repdigit 155..558

First few terms (base 10): \[[15^*8_9]_n=\{17,134,1187,10664,95957,\ldots\}\]

First few terms (base 9): \[\{\text{18},\text{158},\text{1558},\text{15558},\text{155558},\ldots\}\]

General Formula:\[[15^*8_9]_n={117\cdot9^{n}+19\over8}\]

Equivalent Patterns: \[[32^*7_9]_n=2\cdot[15^*8_9]_n\]

Table

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