Table 1 on page 46 in the Witten reference.

Terms

a(0) =24a(1) =24a(2) =95a(3) =1a(4) =143a(5) =1a(6) =262a(7) =-213a(8) =453a(9) =-261a(10) =739a(11) =-833a(12) =1169a(13) =-1168a(14) =2172a(15) =-2505a(16) =3104a(17) =-3581a(18) =5255a(19) =-6449