Number of nX3 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 2 or 3 neighboring 1s.

A297632

Number of nX3 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 2 or 3 neighboring 1s.

Terms

    a(0) =5a(1) =29a(2) =113a(3) =494a(4) =2344a(5) =10587a(6) =48187a(7) =222804a(8) =1027173a(9) =4742274a(10) =21972140a(11) =101903425a(12) =473082512a(13) =2198914110a(14) =10228596580a(15) =47609298494a(16) =221722179703

External references