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

A067960

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

Terms

    a(0) =1a(1) =9a(2) =34a(3) =961a(4) =25531a(5) =2722500a(6) =464483559a(7) =224546142769

External references