22722: Near Repdigit Palindrome 22..22722..22

First few terms (base 10): \[[2^*72^*_8]_n=\{7,186,9682,601746,38368402,\ldots\}\]

First few terms (base 8): \[\{\text{7},\text{272},\text{22722},\text{2227222},\text{222272222},\ldots\}\]

General Formula:\[[2^*72^*_8]_n={16\cdot8^{2n}+35\cdot8^{n}-2\over7}\]

Equivalent Patterns: (none)

Table

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