22522: Near Repdigit Palindrome 22..22522..22

First few terms (base 10): \[[2^*52^*_8]_n=\{5,170,9554,600722,38360210,\ldots\}\]

First few terms (base 8): \[\{\text{5},\text{252},\text{22522},\text{2225222},\text{222252222},\ldots\}\]

General Formula:\[[2^*52^*_8]_n={16\cdot8^{2n}+21\cdot8^{n}-2\over7}\]

Equivalent Patterns: (none)

Table

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