T(n,k)=Number of nXk 0..2 arrays with no element equal to exactly one horizontal or vertical neighbor, with new values 0..2 introduced in row major order.
A241078
T(n,k)=Number of nXk 0..2 arrays with no element equal to exactly one horizontal or vertical neighbor, with new values 0..2 introduced in row major order.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =4a(5) =2a(6) =4a(7) =12a(8) =12a(9) =4a(10) =8a(11) =39a(12) =67a(13) =39a(14) =8a(15) =16a(16) =131a(17) =386a(18) =386a(19) =131a(20) =16a(21) =32a(22) =444a(23) =2333a(24) =4191a(25) =2333a(26) =444a(27) =32a(28) =64a(29) =1516
External references
- oeis: A241078