Number of 7Xn 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 1 neighboring 1s.
A297229
Number of 7Xn 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 1 neighboring 1s.
Terms
- a(0) =1a(1) =189a(2) =1620a(3) =9861a(4) =171851a(5) =2063378a(6) =20599895a(7) =248421807a(8) =2936448567a(9) =33036817382a(10) =380933664485
External references
- oeis: A297229