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

A085807

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

Terms

    a(0) =1a(1) =0a(2) =1a(3) =4a(4) =64a(5) =1152a(6) =34372a(7) =1335008a(8) =69599744a(9) =4577345152a(10) =374491314176

External references