Number of n X n binary matrices with every 1 having at most 3 adjacent 1's.

A068472

Number of n X n binary matrices with every 1 having at most 3 adjacent 1's.

Terms

    a(0) =1a(1) =2a(2) =16a(3) =496a(4) =58640a(5) =26536192a(6) =45851039232

External references