Number of nX4 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 4 neighboring 1s.
A297758
Number of nX4 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 4 neighboring 1s.
Terms
- a(0) =1a(1) =31a(2) =206a(3) =1181a(4) =10639a(5) =90727a(6) =720785a(7) =5909241a(8) =48847911a(9) =400405024a(10) =3283795151a(11) =26976077016a(12) =221488948284
External references
- oeis: A297758