55255: Near Repdigit Palindrome 55..55255..55

First few terms (base 10): \[[5^*25^*_6]_n=\{2,197,7667,279287,10073807,\ldots\}\]

First few terms (base 6): \[\{\text{2},\text{525},\text{55255},\text{5552555},\text{555525555},\ldots\}\]

General Formula:\[[5^*25^*_6]_n=6\cdot6^{2n}-3\cdot6^{n}-1\]

Equivalent Patterns: (none)

Table

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