Number of (n+1) X (3+1) 0..3 arrays colored with the sum of the upper and lower median values of each 2 X 2 subblock.
A236656
Number of (n+1) X (3+1) 0..3 arrays colored with the sum of the upper and lower median values of each 2 X 2 subblock.
Terms
- a(0) =32424a(1) =1680044a(2) =81224020a(3) =4119658692a(4) =211585138552
External references
- oeis: A236656