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Comments in green were written by me. Comments in blue were not written by me.
I can solve #2 with code, but is there a tidy maths way to solve it directly?
               
@C: look up something called Frobenius numbers. This problem's equivalent to finding the Frobenius number for 14 and 29.
Lewis
on /blog/47
               

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A surprising fact about quadrilaterals
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PhD thesis, chapter ∞
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