77277: Near Repdigit Palindrome 77..77277..77

First few terms (base 10): \[[7^*27^*_8]_n=\{2,471,32447,2094591,134197247,\ldots\}\]

First few terms (base 8): \[\{\text{2},\text{727},\text{77277},\text{7772777},\text{777727777},\ldots\}\]

General Formula:\[[7^*27^*_8]_n=8\cdot8^{2n}-5\cdot8^{n}-1\]

Equivalent Patterns: (none)

Table

No table data.