Number of (n+1)X6 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock equal to one, and every 2X2 determinant nonzero.
A205923
Number of (n+1)X6 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock equal to one, and every 2X2 determinant nonzero.
Terms
- a(0) =43572a(1) =625713a(2) =2570656a(3) =40724536a(4) =160958484a(5) =2853968414a(6) =10728448308a(7) =211429772688a(8) =754561785732
External references
- oeis: A205923