Number of n X 7 0..1 arrays with every element equal to 0, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A302211
Number of n X 7 0..1 arrays with every element equal to 0, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =123a(2) =72a(3) =424a(4) =1868a(5) =11170a(6) =55922a(7) =291320a(8) =1544411a(9) =8168814a(10) =43135601a(11) =228337677a(12) =1208744793a(13) =6398223796a(14) =33881994478a(15) =179433657982a(16) =950232876834
External references
- oeis: A302211