%I #4 Mar 30 2012 16:45:52
%S 5,0,4,0,0,0,1224,0,15686,0,0,0
%N (n,3,5) difference families over Z_n.
%D CRC Handbook of Combinatorial Designs, 1996, p. 285.
%K nonn,hard
%O 7,1
%A _N. J. A. Sloane_.
