t designs with t=7, v=31


7-(31,10,lambda) for lambda in { 480, 744, 800, 840} (4 parameter sets) delta lambda = 8, lambda_max=2024
7-(31,12, 14784)
delta lambda = 1848, lambda_max=42504
7-(31,15,lambda) for lambda in { 204930, 245916, 259578, 291456, 307395, 325611, 366597} (7 parameter sets) delta lambda = 99, lambda_max=735471


created: Fri Oct 23 11:04:05 CEST 2009