The permanent of an n X n symmetric Toeplitz matrix M(n) whose first row consists of n, n-1, ..., 1.

A307783

The permanent of an n X n symmetric Toeplitz matrix M(n) whose first row consists of n, n-1, ..., 1.

Terms

    a(0) =1a(1) =5a(2) =62a(3) =1472a(4) =57228a(5) =3300052a(6) =264163120a(7) =28004426240

External references