Number of n X 4 0..1 arrays with new values 0..1 introduced in row major order and no element equal to more than two of its immediate leftward or upward or left-upward diagonal neighbors.
A208265
Number of n X 4 0..1 arrays with new values 0..1 introduced in row major order and no element equal to more than two of its immediate leftward or upward or left-upward diagonal neighbors.
Terms
- a(0) =8a(1) =89a(2) =1033a(3) =11929a(4) =137845a(5) =1592731a(6) =18403423a(7) =212644499a(8) =2457026181a(9) =28390000737a(10) =328035635669
External references
- oeis: A208265