Molien series for action of SL(3,C) on ternary forms of degree 4.

Terms

a(0) =1a(1) =1a(2) =2a(3) =4a(4) =7a(5) =11a(6) =19a(7) =29a(8) =44a(9) =67a(10) =98a(11) =139a(12) =199a(13) =275a(14) =375a(15) =509a(16) =678a(17) =890a(18) =1165a(19) =1501a(20) =1916a(21) =2431a(22) =3053a(23) =3801a(24) =4711a(25) =5788a(26) =7063a(27) =8580a(28) =10353a(29) =12420