Half the number of n X n binary arrays with no 1 having an adjacent 1 both above and to its left.

A184754

Half the number of n X n binary arrays with no 1 having an adjacent 1 both above and to its left.

Terms

    a(0) =1a(1) =7a(2) =163a(3) =12397a(4) =3110914a(5) =2568513843

External references