Maximal size of Aut(G) where G is a finite Abelian group of order n.

Terms

a(0) =1a(1) =1a(2) =2a(3) =6a(4) =4a(5) =2a(6) =6a(7) =168a(8) =48a(9) =4a(10) =10a(11) =12a(12) =12a(13) =6a(14) =8a(15) =20160a(16) =16a(17) =48a(18) =18a(19) =24a(20) =12a(21) =10a(22) =22a(23) =336a(24) =480a(25) =12a(26) =11232a(27) =36a(28) =28a(29) =8