54444: Near Repdigit 544..44

First few terms (base 10): \[[54^*_9]_n=\{5,49,445,4009,36085,\ldots\}\]

First few terms (base 9): \[\{\text{5},\text{54},\text{544},\text{5444},\text{54444},\ldots\}\]

General Formula:\[[54^*_9]_n={11\cdot9^{n}-1\over2}\]

Equivalent Patterns: (none)

Table

No table data.