66566: Near Repdigit Palindrome 66..66566..66

First few terms (base 10): \[[6^*56^*_8]_n=\{5,430,28022,1797046,115039670,\ldots\}\]

First few terms (base 8): \[\{\text{5},\text{656},\text{66566},\text{6665666},\text{666656666},\ldots\}\]

General Formula:\[[6^*56^*_8]_n={48\cdot8^{2n}-7\cdot8^{n}-6\over7}\]

Equivalent Patterns: (none)

Table

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