8-quantum transitions in systems of N >= 8 spin 1/2 particles, in columns by combination indices.

Terms

a(0) =1a(1) =18a(2) =180a(3) =10a(4) =1320a(5) =220a(6) =7920a(7) =2640a(8) =66a(9) =41184a(10) =22880a(11) =1716a(12) =192192a(13) =160160a(14) =24024a(15) =364a(16) =823680a(17) =960960a(18) =240240a(19) =10920a(20) =3294720a(21) =5125120a(22) =1921920a(23) =174720a(24) =1820a(25) =12446720a(26) =24893440a(27) =13069056a(28) =1980160a(29) =61880