Number of (n+2)X3 0..3 arrays with each 3X3 subblock having a positive determinant.
A184646
Number of (n+2)X3 0..3 arrays with each 3X3 subblock having a positive determinant.
Terms
- a(0) =106449a(1) =3745509a(2) =127914873a(3) =4349714604a(4) =148865535558
External references
- oeis: A184646