Number of nX4 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 0, 1 or 3 neighboring 1s.
A296574
Number of nX4 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 0, 1 or 3 neighboring 1s.
Terms
- a(0) =13a(1) =90a(2) =616a(3) =4543a(4) =32439a(5) =233636a(6) =1680927a(7) =12090311a(8) =86993766a(9) =625836038a(10) =4502532754a(11) =32392840662a(12) =233045620626
External references
- oeis: A296574