41444: Near Repdigit 4144..44

First few terms (base 10): \[[414^*_9]_n=\{37,337,3037,27337,246037,\ldots\}\]

First few terms (base 9): \[\{\text{41},\text{414},\text{4144},\text{41444},\text{414444},\ldots\}\]

General Formula:\[[414^*_9]_n={75\cdot9^{n}-1\over2}\]

Equivalent Patterns: \[[828^*_9]_n=2\cdot[414^*_9]_n\]

Table

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