Star number
= Star number
{wiki=Star_number}
A star number is a figurate number that represents a star-shaped pattern of points. Specifically, the \\( n \\)-th star number can be calculated using the formula: \\\[ S_n = 6n(n-1) + 1 \\\] where \\( S_n \\) is the \\( n \\)-th star number.