Number of (n+1) X (2+1) 0..3 arrays with each 2 X 2 subblock having the number of clockwise edge increases less than or equal to the number of counterclockwise edge increases.
A234790
Number of (n+1) X (2+1) 0..3 arrays with each 2 X 2 subblock having the number of clockwise edge increases less than or equal to the number of counterclockwise edge increases.
Terms
- a(0) =2504a(1) =88072a(2) =3015344a(3) =102517088a(4) =3479085232a(5) =118012659040
External references
- oeis: A234790