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Topic:
What squares are the sums of two or more cubes?
Replies:
6
Last Post:
Oct 19, 2012 9:18 PM




What squares are the sums of two or more cubes?
Posted:
Oct 18, 2012 8:06 PM


What squares of positive integers are the sums of two or more distinct cubes of positive integers?
9 = 1 + 8, 36 = 1 + 8 + 27, 100 = 1 + 8 + 27 + 64, 225 = 1 + 8 + 27 + 64 + 125, etc.
On the LHSs are the squares of the triangular numbers. Are there any examples not in that sequence?
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