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A236331
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Positive integers n such that x^2 - 18xy + y^2 + n = 0 has integer solutions.
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4
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64, 256, 320, 576, 704, 1024, 1216, 1280, 1600, 1856, 1984, 2304, 2624, 2816, 2880, 3136, 3520, 3776, 3904, 4096, 4544, 4864, 5056, 5120, 5184, 5696, 6080, 6336, 6400, 6464, 6976, 7424, 7744, 7936, 8000, 8384, 8896, 9216, 9280, 9536, 9664, 9920, 10496, 10816
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OFFSET
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1,1
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LINKS
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EXAMPLE
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64 is in the sequence because x^2 - 18xy + y^2 + 64 = 0 has integer solutions, for example (x, y) = (1, 13).
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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