Number of binary arrangements without adjacent 1's on n X n array connected n-s nw-se.

A067964

Number of binary arrangements without adjacent 1's on n X n array connected n-s nw-se.

Terms

    a(0) =2a(1) =8a(2) =90a(3) =1876a(4) =103484a(5) =11462588a(6) =3118943536

External references