21117: Quasi Repdigit 211..117

First few terms (base 10): \[[21^*7_8]_n=\{23,143,1103,8783,70223,\ldots\}\]

First few terms (base 8): \[\{\text{27},\text{217},\text{2117},\text{21117},\text{211117},\ldots\}\]

General Formula:\[[21^*7_8]_n={120\cdot8^{n}+41\over7}\]

Equivalent Patterns: (none)

Table

No table data.