Number of (n+1)X(n+1) 0..3 arrays with the array of 2X2 subblock determinants antisymmetric and no off-diagonal 2X2 subblock determinant zero.

A187518

Number of (n+1)X(n+1) 0..3 arrays with the array of 2X2 subblock determinants antisymmetric and no off-diagonal 2X2 subblock determinant zero.

Terms

    a(0) =64a(1) =450a(2) =4200a(3) =73764a(4) =2048596a(5) =129034386a(6) =13881494364

External references