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A213339
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Costas arrays such that the corresponding permutation is connected.
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4
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1, 1, 2, 6, 26, 80, 152, 348, 628, 1868, 3870, 7014, 11788, 15746, 18388, 19820, 17218, 14344, 9844, 6238, 3430, 1968, 814, 184, 84, 52, 190, 656, 132
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OFFSET
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1,3
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LINKS
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CROSSREFS
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Cf. A008404 (Costas arrays), A003319 (connected permutations), A213270 (Costas arrays that are involutions), A213271 (Costas arrays that are derangements), A213338 (Costas arrays that are cyclic).
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KEYWORD
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nonn,hard,more
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AUTHOR
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STATUS
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approved
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