a(n) is the number of distinct values of the determinant of an n X n symmetric Toeplitz matrix having 0 on the main diagonal and all the first n-1 primes off-diagonal.

A374620

a(n) is the number of distinct values of the determinant of an n X n symmetric Toeplitz matrix having 0 on the main diagonal and all the first n-1 primes off-diagonal.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =2a(4) =6a(5) =24a(6) =120a(7) =717a(8) =5040a(9) =40314a(10) =362874

External references