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A111350
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Squares n such that 2*n + 1 is a semiprime.
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2
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4, 16, 25, 64, 100, 144, 169, 196, 225, 289, 324, 361, 529, 784, 961, 1024, 1521, 1936, 2304, 2401, 2500, 2809, 2916, 3025, 3249, 3364, 3600, 3969, 4096, 4624, 4761, 5041, 5776, 6084, 6561, 6724, 7056, 7225, 7396, 7921, 8100, 8281, 10816, 11664, 12321
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