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A029849
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Number of nonisomorphic and nonantiisomorphic relations.
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1
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1, 2, 9, 74, 1740, 149572, 48575680, 56147642904, 229149201466592, 3333310913116926416, 174695272793893644765312, 33301710992572083379669646560, 23278728241293538748514513208527104
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