Alternative Equation Formats

The equation on this page is available in multiple formats. Depending on your browser, some formats might not render correctly.

MathML

\begin{array}{ll} a (1) = 1, & a (n) = 1, \\ a (2) = 2, & a (n - 1) = 2, \dots \end{array}

\[ \begin{array}{ll} a(1) = 1, & a(n) = 1, \\ a(2) = 2, & a(n-1) = 2, ~ \ldots \end{array} \]