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ROSECODE 312

Heronian triangles in a range

sinan · Math ·

How many (not necessarily primitive) Heronian triangles with sides a, b and c, and area in the range [10000000,10001000], are there? Answer format: count,∑ai,∑bi,∑ci where ai ≤ bi ≤ ci Example:26,203,431,520 in the range [0,100] [My timing: <1m]