T(n,k)=Number of nXk 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 1 or 3 neighboring 1s.
A297607
T(n,k)=Number of nXk 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 1 or 3 neighboring 1s.
Terms
- a(0) =2a(1) =4a(2) =4a(3) =7a(4) =11a(5) =8a(6) =13a(7) =35a(8) =35a(9) =16a(10) =24a(11) =96a(12) =181a(13) =106a(14) =32a(15) =44a(16) =281a(17) =787a(18) =953a(19) =327a(20) =64a(21) =81a(22) =829a(23) =3691a(24) =6413a(25) =4997a(26) =1003a(27) =128a(28) =149a(29) =2428
External references
- oeis: A297607