15111: Near Repdigit 1511..11

First few terms (base 10): \[[151^*_7]_n=\{12,85,596,4173,29212,\ldots\}\]

First few terms (base 7): \[\{\text{15},\text{151},\text{1511},\text{15111},\text{151111},\ldots\}\]

General Formula:\[[151^*_7]_n={73\cdot7^{n}-1\over6}\]

Equivalent Patterns: (none)

Table

No table data.