Almkvist-Giullera formula for pi: Difference between revisions

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The formula is:
::::: <big><big>1/π<sup>2</sup> = (2<supaaaaaaaasup>5</sup>/3) &sum;<sub>0</sub><sup>∞</sup> ((6n)! / (n!<sup>6</sup>))(532n<sup>2</sup> + 126n + 9) / 1000<sup>2n+1</sup></big></big>
 
 
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