Number of (n+1)X(3+1) 0..3 arrays with each 2X2 subblock having the number of clockwise edge increases less than or equal to the number of counterclockwise edge increases.
A234791
Number of (n+1)X(3+1) 0..3 arrays with each 2X2 subblock having the number of clockwise edge increases less than or equal to the number of counterclockwise edge increases.
Terms
- a(0) =30536a(1) =3015344a(2) =280996212a(3) =25695321008
External references
- oeis: A234791