13334: Quasi Repdigit 133..334

First few terms (base 10): \[[13^*4_7]_n=\{11,74,515,3602,25211,\ldots\}\]

First few terms (base 7): \[\{\text{14},\text{134},\text{1334},\text{13334},\text{133334},\ldots\}\]

General Formula:\[[13^*4_7]_n={21\cdot7^{n}+1\over2}\]

Equivalent Patterns: \[[30^*1_7]_n=2\cdot[13^*4_7]_n\] \[[60^*2_7]_n=4\cdot[13^*4_7]_n\] \[[43^*5_7]_n=3\cdot[13^*4_7]_n\]

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