66766: Near Repdigit Palindrome 66..66766..66

First few terms (base 10): \[[6^*76^*_8]_n=\{7,446,28150,1798070,115047862,\ldots\}\]

First few terms (base 8): \[\{\text{7},\text{676},\text{66766},\text{6667666},\text{666676666},\ldots\}\]

General Formula:\[[6^*76^*_8]_n={48\cdot8^{2n}+7\cdot8^{n}-6\over7}\]

Equivalent Patterns: (none)

Table

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