16111: Near Repdigit 1611..11

First few terms (base 10): \[[161^*_9]_n=\{15,136,1225,11026,99235,\ldots\}\]

First few terms (base 9): \[\{\text{16},\text{161},\text{1611},\text{16111},\text{161111},\ldots\}\]

General Formula:\[[161^*_9]_n={121\cdot9^{n}-1\over8}\]

Equivalent Patterns: (none)

Table

No table data.