n   d2(n)    d3(n)     c4(n)
  2 1.128379 0.8525025 0.7978846
  3 1.692569 0.8883680 0.8862269
  4 2.058751 0.8798082 0.9213177
  5 2.325929 0.8640819 0.9399856
  6 2.534413 0.8480397 0.9515329
  7 2.704357 0.8332053 0.9593688
  8 2.847201 0.8198315 0.9650305
  9 2.970026 0.8078343 0.9693107
 10 3.077505 0.7970507 0.9726593
 11 3.172873 0.7873146 0.9753501
 12 3.258455 0.7784783 0.9775594
 13 3.335980 0.7704162 0.9794056
 14 3.406763 0.7630231 0.9809714
 15 3.471827 0.7562114 0.9823162
 16 3.531983 0.7499081 0.9834835
 17 3.587884 0.7440518 0.9845064
 18 3.640064 0.7385909 0.9854100
 19 3.688963 0.7334815 0.9862141
 20 3.734950 0.7286863 0.9869343
 21 3.778336 0.7241733 0.9875829
 22 3.819385 0.7199148 0.9881703
 23 3.858323 0.7158867 0.9887045
 24 3.895348 0.7120682 0.9891927
 25 3.930629 0.7084408 0.9896404
 26 3.964316 0.7049883 0.9900525
 27 3.996539 0.7016966 0.9904330
 28 4.027414 0.6985528 0.9907856
 29 4.057044 0.6955457 0.9911130
 30 4.085522 0.6926651 0.9914181
 31 4.112928 0.6899019 0.9917028
 32 4.139338 0.6872480 0.9919693
 33 4.164817 0.6846958 0.9922192
 34 4.189426 0.6822388 0.9924540
 35 4.213219 0.6798708 0.9926751
 36 4.236247 0.6775862 0.9928836
 37 4.258554 0.6753800 0.9930805
 38 4.280183 0.6732476 0.9932668
 39 4.301171 0.6711846 0.9934434
 40 4.321554 0.6691872 0.9936109