25551: Quasi Repdigit 255..551

First few terms (base 10): \[[25^*1_9]_n=\{19,208,1909,17218,154999,\ldots\}\]

First few terms (base 9): \[\{\text{21},\text{251},\text{2551},\text{25551},\text{255551},\ldots\}\]

General Formula:\[[25^*1_9]_n={189\cdot9^{n}-37\over8}\]

Equivalent Patterns: (none)

Table

No table data.