Number of nX4 0..1 arrays with no 1 equal to more than one of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element.
A282881
Number of nX4 0..1 arrays with no 1 equal to more than one of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element.
Terms
- a(0) =2a(1) =32a(2) =430a(3) =3762a(4) =34314a(5) =286920a(6) =2342046a(7) =18668994a(8) =146171090a(9) =1129426388a(10) =8631205392a(11) =65377140772a(12) =491525631332
External references
- oeis: A282881