N=1 X[1,1]:=0: C[1,1]:=2: N=2 X[1,2]:=-0.577350269:X[2,2]:=0.577350269: C[1,2]:=1;C[2,2]:=1: N=3 X[1,3]:=-0.774596669:X[2,3]:=0:X[3,3]:=0.774596669: C[1,3]:=0.555555556:C[2,3]:=0.888888889:C[3,3]:=0.555555556: N=4 X[1,4]:=-0.861136312:X[2,4]:=-0.339981044:X[3,4]:=0.339981044:X[4,4]:=0.861136312: C[1,4]:=0.347854845:C[2,4]:=0.652145155:C[3,4]:=0.652145155:C[4,4]:=0.347854845: N=5 X[1,5]:=-0.906179846:X[2,5]:=-0.538469310:X[3,5]:=0: C[1,5]:=0.236926885:C[2,5]:=0.478628670:C[3,5]:=0.568888889: X[4,5]:=0.538469310:X[5,5]:=0.906179846: C[4,5]:=0.478628670:C[5,5]:=0.236926885: N=6 X[1,6]:=-0.932469514:X[2,6]:=-0.661209386:X[3,6]:=-0.238619186: C[1,6]:=0.171324492:C[2,6]:=0.360761573:C[3,6]:=0.467913935: X[4,6]:=0.238619186:X[5,6]:=0.661209386:X[6,6]:=0.932469514: C[4,6]:=0.467913935:C[5,6]:=0.360761573:C[6,6]:=0.171324492: