Message boards : Science : base R268 (13k)
- n=50-100k, 13k left (267, 291, 408, 599, 632, 806, 863, 872, 1061, 1101, 1136, 1143, 1296) - runtime 2-12min (AVX@3.8Ghz) 954*268^64839-1 found by Ralfy 1194*268^81459-1 found by Ralfy