Number of n X n binary arrays with all ones connected only in a 3X3 tee 1,1 1,2 1,3 2,2 3,2 in any orientation.

A146006

Number of n X n binary arrays with all ones connected only in a 3X3 tee 1,1 1,2 1,3 2,2 3,2 in any orientation.

Terms

    a(0) =1a(1) =1a(2) =5a(3) =17a(4) =53a(5) =559a(6) =10558a(7) =208889a(8) =6272332a(9) =353563401a(10) =30617473617

External references