Number of (n+1)X(2+1) 0..3 arrays colored with the sum of the upper and lower median values of each 2X2 subblock.
A236655
Number of (n+1)X(2+1) 0..3 arrays colored with the sum of the upper and lower median values of each 2X2 subblock.
Terms
- a(0) =2896a(1) =70896a(2) =1680044a(3) =41161740a(4) =1012773632a(5) =24759554960a(6) =605124123248
External references
- oeis: A236655