Number of (n+1)X7 0..2 arrays with every 2X2 subblock having nonzero determinant and having the same number of clockwise edge increases as its horizontal and vertical neighbors.
A206126
Number of (n+1)X7 0..2 arrays with every 2X2 subblock having nonzero determinant and having the same number of clockwise edge increases as its horizontal and vertical neighbors.
Terms
- a(0) =21940a(1) =491162a(2) =13475116a(3) =404927788a(4) =12251680342a(5) =372768662926
External references
- oeis: A206126