Number of (n+2)X4 0..2 arrays with each 3X3 subblock having a positive determinant.
A186065
Number of (n+2)X4 0..2 arrays with each 3X3 subblock having a positive determinant.
Terms
- a(0) =85950a(1) =2594364a(2) =73704654a(3) =1983108841a(4) =56342354623
External references
- oeis: A186065