Number of nX4 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 5 neighboring 1s.
A297798
Number of nX4 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 5 neighboring 1s.
Terms
- a(0) =1a(1) =24a(2) =100a(3) =422a(4) =2936a(5) =17899a(6) =104985a(7) =645568a(8) =3978117a(9) =24326196a(10) =149160149a(11) =916286494a(12) =5624456404a(13) =34523088073a(14) =211969293298
External references
- oeis: A297798