75554: Quasi Repdigit 755..554

First few terms (base 10): \[[75^*4_9]_n=\{67,616,5557,50026,450247,\ldots\}\]

First few terms (base 9): \[\{\text{74},\text{754},\text{7554},\text{75554},\text{755554},\ldots\}\]

General Formula:\[[75^*4_9]_n={549\cdot9^{n}-13\over8}\]

Equivalent Patterns: (none)

Table

No table data.