T(n,k)=Number of nXk 0..2 arrays with no element x(i,j) adjacent to value 2-x(i,j) horizontally, vertically or antidiagonally.
A232941
T(n,k)=Number of nXk 0..2 arrays with no element x(i,j) adjacent to value 2-x(i,j) horizontally, vertically or antidiagonally.
Terms
- a(0) =3a(1) =6a(2) =6a(3) =12a(4) =12a(5) =12a(6) =24a(7) =26a(8) =26a(9) =24a(10) =48a(11) =56a(12) =84a(13) =56a(14) =48a(15) =96a(16) =120a(17) =252a(18) =252a(19) =120a(20) =96a(21) =192a(22) =258a(23) =774a(24) =1048a(25) =774a(26) =258a(27) =192a(28) =384a(29) =554
External references
- oeis: A232941