t designs with t=6, v=20
6-(20,8, 28)
delta lambda = 7, lambda_max=91
6-(20,9, 112)
delta lambda = 28, lambda_max=364
6-(20,10,lambda) for lambda in { 336,
406, 434, 441, 469, 476} (6 parameter sets)
delta lambda = 7, lambda_max=1001
created: Fri Oct 23 11:03:51 CEST 2009