44144: Near Repdigit Palindrome 44..44144..44

First few terms (base 10): \[[4^*14^*_8]_n=\{1,268,18532,1196836,76683556,\ldots\}\]

First few terms (base 8): \[\{\text{1},\text{414},\text{44144},\text{4441444},\text{444414444},\ldots\}\]

General Formula:\[[4^*14^*_8]_n={32\cdot8^{2n}-21\cdot8^{n}-4\over7}\]

Equivalent Patterns: (none)

Table

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