9-quantum transitions in systems of N >= 9 spin 1/2 particles, in columns by combination indices.

Terms

a(0) =1a(1) =20a(2) =220a(3) =11a(4) =1760a(5) =264a(6) =11440a(7) =3432a(8) =78a(9) =64064a(10) =32032a(11) =2184a(12) =320320a(13) =240240a(14) =32760a(15) =455a(16) =1464320a(17) =1537536a(18) =349440a(19) =14560a(20) =6223360a(21) =8712704a(22) =2970240a(23) =247520a(24) =2380a(25) =24893440a(26) =44808192a(27) =21385728a(28) =2970240a(29) =85680