Number of 7Xn 0..1 arrays with every element equal to 0, 2, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A303089
Number of 7Xn 0..1 arrays with every element equal to 0, 2, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =64a(1) =21a(2) =5472a(3) =4182a(4) =615471a(5) =4862916a(6) =266882021a(7) =5924274499a(8) =231312682374
External references
- oeis: A303089