56666: Near Repdigit 566..66

First few terms (base 10): \[[56^*_9]_n=\{5,51,465,4191,37725,\ldots\}\]

First few terms (base 9): \[\{\text{5},\text{56},\text{566},\text{5666},\text{56666},\ldots\}\]

General Formula:\[[56^*_9]_n={23\cdot9^{n}-3\over4}\]

Equivalent Patterns: (none)

Table

No table data.