55552: Near Repdigit 55..552

First few terms (base 10): \[[5^*2_7]_n=\{2,37,282,1997,14002,\ldots\}\]

First few terms (base 7): \[\{\text{2},\text{52},\text{552},\text{5552},\text{55552},\ldots\}\]

General Formula:\[[5^*2_7]_n={35\cdot7^{n}-23\over6}\]

Equivalent Patterns: (none)

Table

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