Abstract
By the theory of Pellian equation and the method of undetermined coefficients, we show that there exist infinitely many isosceles Heron triangles whose sides are polygonal numbers and binomial coefficients.
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This research was supported by the National Natural Science Foundation of China (Grant No. 11501052).
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Peng, J., Zhang, Y. Heron triangles with figurate number sides. Acta Math. Hungar. 157, 478–488 (2019). https://doi.org/10.1007/s10474-018-00907-0
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DOI: https://doi.org/10.1007/s10474-018-00907-0