6-quantum transitions in systems of N >= 6 spin 1/2 particles, in columns by combination indices.

Terms

a(0) =1a(1) =14a(2) =112a(3) =8a(4) =672a(5) =144a(6) =3360a(7) =1440a(8) =45a(9) =14784a(10) =10560a(11) =990a(12) =59136a(13) =63360a(14) =11880a(15) =220a(16) =219648a(17) =329472a(18) =102960a(19) =5720a(20) =768768a(21) =1537536a(22) =720720a(23) =80080a(24) =1001a(25) =2562560a(26) =6589440a(27) =4324320a(28) =800800a(29) =30030