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A001440
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Number of symmetric Costas arrays of order n that are inequivalent under dihedral group.
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3
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1, 1, 1, 1, 2, 5, 10, 9, 10, 14, 18, 17, 25, 23, 31, 20, 19, 10, 6, 4, 8, 5, 10, 0, 2, 2, 7, 0, 5, 4, 0, 0
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