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A068197
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Number of squares (of another matrix) in M_2(n) - the ring of 2 X 2 matrices over Z_n.
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10, 29, 48, 223, 290, 865, 344, 1587, 2230, 5341, 1392, 10459, 8650, 6467, 3182, 30745, 15870, 48061, 10704
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