Number of nX5 0..2 arrays x(i,j) with each element horizontally, vertically, diagonally or antidiagonally next to at least one element with value 2-x(i,j).
A230173
Number of nX5 0..2 arrays x(i,j) with each element horizontally, vertically, diagonally or antidiagonally next to at least one element with value 2-x(i,j).
Terms
- a(0) =15a(1) =10211a(2) =1637019a(3) =284444079a(4) =49754476927
External references
- oeis: A230173