1; \frac{1}{2^{2}}; \frac{1}{3^{2}}; \frac{1}{4^{2}}; \frac{1}{5^{2}}; \frac{1}{6^{2}}; \dots;

${1; \frac {1}{2^2}; \frac {1}{3^2}; \frac {1}{4^2}; \frac {1}{5^2}; \frac {1}{6^2}; \ldots; }$

1; \frac{1}{2^{2}}; \frac{1}{3^{2}}; \frac{1}{4^{2}}; \frac{1}{5^{2}}; \frac{1}{6^{2}}; \dots;

$1; \frac {1}{2^2}; \frac {1}{3^2}; \frac {1}{4^2}; \frac {1}{5^2}; \frac {1}{6^2}; \ldots;$

\dots

$\ldots$

\dots

$\ldots$

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