T(n,k)=Number of nXk 0..1 arrays with no element equal to exactly one horizontal or vertical neighbor, with new values 0..1 introduced in row major order.
A240656
T(n,k)=Number of nXk 0..1 arrays with no element equal to exactly one horizontal or vertical neighbor, with new values 0..1 introduced in row major order.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =1a(6) =1a(7) =2a(8) =2a(9) =1a(10) =1a(11) =3a(12) =9a(13) =3a(14) =1a(15) =1a(16) =6a(17) =17a(18) =17a(19) =6a(20) =1a(21) =1a(22) =10a(23) =43a(24) =91a(25) =43a(26) =10a(27) =1a(28) =1a(29) =21
External references
- oeis: A240656