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Search: id:A001442
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| A001442 |
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G-symmetric Costas arrays of order n that are inequivalent under dihedral group. |
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+0
4
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| 1, 1, 0, 2, 1, 4, 0, 3, 0, 24, 0, 44, 4, 31, 0, 77, 0, 29, 0, 3, 0, 55, 0
(list; graph; listen)
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OFFSET
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1,4
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REFERENCES
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CRC Handbook of Combinatorial Designs, C. Colbourn and J. Dinitz Eds., 1996, IV.7: Costas Arrays by Herbert Taylor (IV.7.6, page 259, Table 2.29).
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CROSSREFS
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Cf. A008404, A001440, A001441, A008403.
Sequence in context: A137629 A087569 A048614 this_sequence A158285 A059781 A087664
Adjacent sequences: A001439 A001440 A001441 this_sequence A001443 A001444 A001445
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KEYWORD
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nonn,nice
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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