a(n) is the permanent of an n X n Hermitian Toeplitz matrix whose first row consists of 1, 2*i, ..., n*i, where i denotes the imaginary unit.

A359560

a(n) is the permanent of an n X n Hermitian Toeplitz matrix whose first row consists of 1, 2*i, ..., n*i, where i denotes the imaginary unit.

Terms

    a(0) =1a(1) =1a(2) =5a(3) =18a(4) =360a(5) =2800a(6) =151424a(7) =1926704a(8) =218991568a(9) =3961998320a(10) =815094714320

External references