14444: Near Repdigit 144..44

First few terms (base 10): \[[14^*_9]_n=\{1,13,121,1093,9841,\ldots\}\]

First few terms (base 9): \[\{\text{1},\text{14},\text{144},\text{1444},\text{14444},\ldots\}\]

General Formula:\[[14^*_9]_n={3\cdot9^{n}-1\over2}\]

Equivalent Patterns: \[[28^*_9]_n=2\cdot[14^*_9]_n\] \[[58^*7_9]_n=4\cdot[14^*_9]_{n+1}\] \[[74^*2_9]_n=5\cdot[14^*_9]_{n+1}\] \[[4^*3_9]_n=3\cdot[14^*_9]_n\] \[[8^*6_9]_n=6\cdot[14^*_9]_n\] \[[18^*3_9]_n=12\cdot[14^*_9]_n\]

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