71777: Near Repdigit 7177..77

First few terms (base 10): \[[717^*_9]_n=\{64,583,5254,47293,425644,\ldots\}\]

First few terms (base 9): \[\{\text{71},\text{717},\text{7177},\text{71777},\text{717777},\ldots\}\]

General Formula:\[[717^*_9]_n={519\cdot9^{n}-7\over8}\]

Equivalent Patterns: (none)

Table

No table data.