Number of n X n symmetric binary matrices with each 1 adjacent to no more than 5 knight-move neighboring 1s.
A191573
Number of n X n symmetric binary matrices with each 1 adjacent to no more than 5 knight-move neighboring 1s.
Terms
- a(0) =2a(1) =8a(2) =64a(3) =1024a(4) =27243a(5) =1382864a(6) =140750620a(7) =28217901400
External references
- oeis: A191573