Determinant of n X n matrix of first n^2 squarefree numbers.

Terms

a(0) =1a(1) =-1a(2) =-4a(3) =-84a(4) =64a(5) =320a(6) =1540a(7) =-4296a(8) =22774a(9) =-11504a(10) =-5472a(11) =13752a(12) =-18325a(13) =-4808916a(14) =22766346a(15) =5005440a(16) =519618712a(17) =-216839949a(18) =-913585532a(19) =4352326994a(20) =15724880927a(21) =0a(22) =-44298224496a(23) =783852776697a(24) =-173267864064