Molien series for A_6.

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =5a(5) =7a(6) =11a(7) =14a(8) =20a(9) =26a(10) =35a(11) =44a(12) =58a(13) =71a(14) =90a(15) =111a(16) =137a(17) =165a(18) =202a(19) =240a(20) =289a(21) =342a(22) =405a(23) =474a(24) =558a(25) =647a(26) =753a(27) =869a(28) =1002a(29) =1147