11411: Near Repdigit Palindrome 11..11411..11

First few terms (base 10): \[[1^*41^*_8]_n=\{4,97,4873,301129,19186249,\ldots\}\]

First few terms (base 8): \[\{\text{4},\text{141},\text{11411},\text{1114111},\text{111141111},\ldots\}\]

General Formula:\[[1^*41^*_8]_n={8\cdot8^{2n}+21\cdot8^{n}-1\over7}\]

Equivalent Patterns: (none)

Table

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