{0.25, 1.517} {0.36, 1.665} {0.49, 1.798} {0.64, 1.925} {0.81, 2.038} {1.00, 2.150} {1.21, 2.260} {1.44, 2.359} {1.69, 2.464} {1.96, 2.545} {2.25, 2.634} {2.56, 2.728} {2.89, 2.817} {3.24, 2.885} {3.61, 2.979} {4.00, 3.038}