%I #5 Jun 09 2012 04:54:12

%S 1,1,2,6,26,80,152,348,628,1868,3870,7014,11788,15746,18388,19820,

%T 17218,14344,9844,6238,3430,1968,814,184,84,52,190,656,132

%N Costas arrays such that the corresponding permutation is connected.

%H Scott Rickard, <a href="http://costasarrays.org/">costasarrays.org</a> (information and papers about Costas arrays).

%Y 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).

%K nonn,hard,more

%O 1,3

%A _Joerg Arndt_, Jun 09 2012