Number of (n+1) X 3 0..3 arrays with the number of clockwise edge increases in 2 X 2 subblocks nondecreasing, and counterclockwise edge increases nonincreasing, rightwards and downwards.
A206103
Number of (n+1) X 3 0..3 arrays with the number of clockwise edge increases in 2 X 2 subblocks nondecreasing, and counterclockwise edge increases nonincreasing, rightwards and downwards.
Terms
- a(0) =2292a(1) =33688a(2) =359932a(3) =3991540a(4) =48804116a(5) =628383700a(6) =8315311380a(7) =111777355164
External references
- oeis: A206103