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(n,4,1) difference families over Z_n.
0

%I #4 Mar 30 2012 16:45:41

%S 1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,0,10,0,0,0,0,0,0,

%T 0,0,224,0,0,206,0,0,0,0,0,0,0,0,18132,0,0,12048

%N (n,4,1) difference families over Z_n.

%D CRC Handbook of Combinatorial Designs, 1996, p. 286.

%K nonn,hard

%O 13,25

%A _N. J. A. Sloane_.