Molien series for A_4.

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =5a(5) =6a(6) =10a(7) =12a(8) =17a(9) =21a(10) =28a(11) =33a(12) =43a(13) =50a(14) =62a(15) =72a(16) =87a(17) =99a(18) =118a(19) =133a(20) =155a(21) =174a(22) =200a(23) =222a(24) =253a(25) =279a(26) =314a(27) =345a(28) =385a(29) =420