Best-known CA bounds for t=2, v=18

kNBestVerifiedMethods
2324324✓Trivial
4648324✓Product
8972346✓Product
161296356✓Product
321620545✓Product
641944648✓Product
1282268650✓Product
2562592674✓Product
5122916774✓Product
10243240960✓Product
20483564972✓Product
40963888998✓Product
819242121008✓Product
1638445361258✓Product
2000048601279✓Product