Susceptibility series for b.c.c. lattice.

Terms

a(0) =0a(1) =0a(2) =0a(3) =4a(4) =0a(5) =0a(6) =0a(7) =-8a(8) =0a(9) =112a(10) =-256a(11) =156a(12) =896a(13) =-3536a(14) =5472a(15) =5400a(16) =-49088a(17) =115008a(18) =-47776a(19) =-555492a(20) =1976736a(21) =-2563424a(22) =-4446272a(23) =29452776a(24) =-61952896a(25) =4795392a(26) =374024448a(27) =-1173895476