Determinant of the symmetric n X n matrix A defined by A[i,j] = |i-j| for 1 <= i,j <= n.

Terms

a(0) =0a(1) =-1a(2) =4a(3) =-12a(4) =32a(5) =-80a(6) =192a(7) =-448a(8) =1024a(9) =-2304a(10) =5120a(11) =-11264a(12) =24576a(13) =-53248a(14) =114688a(15) =-245760a(16) =524288a(17) =-1114112a(18) =2359296a(19) =-4980736a(20) =10485760a(21) =-22020096a(22) =46137344a(23) =-96468992a(24) =201326592a(25) =-419430400a(26) =872415232a(27) =-1811939328a(28) =3758096384a(29) =-7784628224