Number of nX5 0..2 arrays x(i,j) with each element horizontally, vertically or antidiagonally next to at least one element with value 2-x(i,j).
A229931
Number of nX5 0..2 arrays x(i,j) with each element horizontally, vertically or antidiagonally next to at least one element with value 2-x(i,j).
Terms
- a(0) =15a(1) =4679a(2) =575757a(3) =78416265a(4) =10521395805
External references
- oeis: A229931