64447: Quasi Repdigit 644..447

First few terms (base 10): \[[64^*7_9]_n=\{61,529,4741,42649,383821,\ldots\}\]

First few terms (base 9): \[\{\text{67},\text{647},\text{6447},\text{64447},\text{644447},\ldots\}\]

General Formula:\[[64^*7_9]_n={117\cdot9^{n}+5\over2}\]

Equivalent Patterns: (none)

Table

No table data.