a(n) is the value of determinant of the following special matrix: diagonal values equal to n-2; upper triangular entries equal to -1; lower triangular values are +1.
A085340
a(n) is the value of determinant of the following special matrix: diagonal values equal to n-2; upper triangular entries equal to -1; lower triangular values are +1.
Terms
- a(0) =-1a(1) =1a(2) =4a(3) =41a(4) =528a(5) =8177a(6) =148160a(7) =3077713a(8) =72147712a(9) =1884629825a(10) =54294967296
External references
- oeis: A085340