51115: Depression 511..115

First few terms (base 10): \[[51^*5_7]_n=\{40,257,1776,12409,86840,\ldots\}\]

First few terms (base 7): \[\{\text{55},\text{515},\text{5115},\text{51115},\text{511115},\ldots\}\]

General Formula:\[[51^*5_7]_n={217\cdot7^{n}+23\over6}\]

Equivalent Patterns: (none)

Table

No table data.