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Not too much (Posted on 2015-02-20)

What is the sum of the reciprocals of all the nonzero
triangular numbers?

No Solution Yet Submitted by Ady TZIDON

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re: no ! - partial spoiler

| Comment 4 of 8 |

Line 2. 1/2 - 1/3 = 1/6, not 1/3.

I think Jer's approach is valid.

Posted by xdog on 2015-02-20 13:35:46

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