A213339 Costas arrays such that the corresponding permutation is connected.

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

Offset: 1

Author

Joerg Arndt, Jun 09 2012

Keywords

• nonn
• hard
• more

Links

• Scott Rickard, costasarrays.org (information and papers about Costas arrays).

Crossrefs

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).