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

First few terms (base 10): \[[1^*41^*_6]_n=\{4,61,1663,56635,2019427,\ldots\}\]

First few terms (base 6): \[\{\text{4},\text{141},\text{11411},\text{1114111},\text{111141111},\ldots\}\]

General Formula:\[[1^*41^*_6]_n={6\cdot6^{2n}+15\cdot6^{n}-1\over5}\]

Equivalent Patterns: (none)

Table

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