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statisticaloddsandends.wordpress.com
| | mikespivey.wordpress.com
1.7 parsecs away

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| | It's fairly well-known, to those who know it, that $latex \displaystyle \left(\sum_{k=1}^n k \right)^2 = \frac{n^2(n+1)^2}{4} = \sum_{k=1}^n k^3 $. In other words, the square of the sum of the first n positive integers equals the sum of the cubes of the first n positive integers. It's probably less well-known that a similar relationship holds...
| | gwhphotos2.wordpress.com
1.9 parsecs away

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| | Hockey stick chair Be sure to visit pull up a seat for more interesting photos, and/or to share yours.
| | linsdoodles.wordpress.com
1.9 parsecs away

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| | For XingfuMama's Pull up a seat Photo Challenge
| | chasingaphrodite.com
6.8 parsecs away

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| https://www.youtube.com/watch?v=mFVT1WZrTjo