67777: Near Repdigit 677..77

First few terms (base 10): \[[67^*_8]_n=\{6,55,447,3583,28671,\ldots\}\]

First few terms (base 8): \[\{\text{6},\text{67},\text{677},\text{6777},\text{67777},\ldots\}\]

General Formula:\[[67^*_8]_n=7\cdot8^{n}-1\]

Equivalent Patterns: (none)

Table

No table data.