Best-known CA bounds for t=2, v=19

kNBestMethods
2361361Trivial
4722361Product
81083361Product
161444361Product
321805577Product
642166703Product
1282527703Product
2562888703Product
5123249831Product
102436101045Product
204839711045Product
409643321045Product
819246931118Product
1638450541344Product
2000054151387Product