A001442 G-symmetric Costas arrays of order n that are inequivalent under dihedral group.

1, 1, 0, 2, 1, 4, 0, 3, 0, 24, 0, 44, 4, 31, 0, 77, 0, 29, 0, 3, 0, 55, 0

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• hard
• more
• nice

References

• CRC Handbook of Combinatorial Designs, C. Colbourn and J. Dinitz, Editors, 1996, IV.7: Costas Arrays by Herbert Taylor (IV.7.6, page 259, Table 2.29).

Crossrefs

Cf. A008404, A001440, A001441, A008403.