16664: Quasi Repdigit 166..664

First few terms (base 10): \[[16^*4_7]_n=\{11,95,683,4799,33611,\ldots\}\]

First few terms (base 7): \[\{\text{14},\text{164},\text{1664},\text{16664},\text{166664},\ldots\}\]

General Formula:\[[16^*4_7]_n=14\cdot7^{n}-3\]

Equivalent Patterns: \[[36^*1_7]_n=2\cdot[16^*4_7]_n\]

Table

No table data.