Molien series for group of 4 X 4 upper triangular matrices over GF(2).

Terms

a(0) =1a(1) =1a(2) =2a(3) =2a(4) =4a(5) =4a(6) =6a(7) =6a(8) =10a(9) =10a(10) =14a(11) =14a(12) =20a(13) =20a(14) =26a(15) =26a(16) =35a(17) =35a(18) =44a(19) =44a(20) =56a(21) =56a(22) =68a(23) =68a(24) =84a(25) =84a(26) =100a(27) =100a(28) =120a(29) =120