a(n) is the permanent of a symmetric Toeplitz matrix M(n) whose first row consists of prime(n), prime(n-1), ..., prime(1).

A356493

a(n) is the permanent of a symmetric Toeplitz matrix M(n) whose first row consists of prime(n), prime(n-1), ..., prime(1).

Terms

    a(0) =1a(1) =2a(2) =13a(3) =271a(4) =12030a(5) =1346758a(6) =214022024a(7) =51763672608

External references