Number of nX7 0..3 arrays with no more than floor(nX7/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..3 order.
A222615
Number of nX7 0..3 arrays with no more than floor(nX7/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..3 order.
Terms
- a(0) =17a(1) =615a(2) =11421a(3) =1409334a(4) =43650470a(5) =5996281816a(6) =253864183756
External references
- oeis: A222615