T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A300605
T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =1a(6) =1a(7) =2a(8) =2a(9) =1a(10) =1a(11) =10a(12) =6a(13) =10a(14) =1a(15) =1a(16) =13a(17) =18a(18) =18a(19) =13a(20) =1a(21) =1a(22) =42a(23) =23a(24) =42a(25) =23a(26) =42a(27) =1a(28) =1a(29) =74
External references
- oeis: A300605