1 7.487226715167791 1.5 3.906638762462726 2 3.2468085822317603 3 2.869042744579447 4 2.7716491440673674 5 2.748421222318849 8 2.7934122926017326 10 2.8456809186476346 12 2.8995014106769452 16 3.0013749216323653 20 3.0914282387604346 32 3.302173219680809 64 3.6271010886493356