T(n,k)=Number of nXk 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally, diagonally or antidiagonally, top left element zero, and 1 appearing before 2 in row major order.
A233098
T(n,k)=Number of nXk 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally, diagonally or antidiagonally, top left element zero, and 1 appearing before 2 in row major order.
Terms
- a(0) =1a(1) =2a(2) =3a(3) =5a(4) =11a(5) =10a(6) =14a(7) =65a(8) =74a(9) =36a(10) =41a(11) =386a(12) =941a(13) =515a(14) =136a(15) =122a(16) =2315a(17) =11486a(18) =13721a(19) =3602a(20) =528a(21) =365a(22) =13886a(23) =141566a(24) =342626a(25) =200165a(26) =25211a(27) =2080a(28) =1094a(29) =83315
External references
- oeis: A233098