Determinant of the matrix d*e/gcd(d, e)^2, where d, e run through the unitary divisors of n.

Terms

a(0) =1a(1) =-3a(2) =-8a(3) =-15a(4) =-24a(5) =576a(6) =-48a(7) =-63a(8) =-80a(9) =5184a(10) =-120a(11) =14400a(12) =-168a(13) =20736a(14) =36864a(15) =-255a(16) =-288a(17) =57600a(18) =-360a(19) =129600a(20) =147456a(21) =129600a(22) =-528a(23) =254016a(24) =-624a(25) =254016a(26) =-728a(27) =518400a(28) =-840a(29) =110075314176