T(n,k)=Number of nXk 0..1 arrays with no 1 equal to more than three of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements.
A284075
T(n,k)=Number of nXk 0..1 arrays with no 1 equal to more than three of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =1a(8) =0a(9) =0a(10) =0a(11) =6a(12) =15a(13) =0a(14) =0a(15) =0a(16) =33a(17) =275a(18) =314a(19) =0a(20) =0a(21) =0a(22) =176a(23) =3174a(24) =7302a(25) =3764a(26) =0a(27) =0a(28) =0a(29) =858
External references
- oeis: A284075