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A159421
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Number of nXn arrays of squares of integers summing to 28
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1
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12, 18180, 17678180, 23906871625, 33142751210880, 40920467881841016, 39881847574391332064, 27839801028626330786100, 12898777607987820532044600, 3796362296831030040318923015, 708799758875178944116824699876
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