Molien series for A_7.

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =5a(5) =7a(6) =11a(7) =15a(8) =21a(9) =28a(10) =38a(11) =49a(12) =65a(13) =82a(14) =105a(15) =131a(16) =164a(17) =201a(18) =248a(19) =300a(20) =364a(21) =437a(22) =523a(23) =620a(24) =736a(25) =865a(26) =1016a(27) =1186a(28) =1382a(29) =1600