Half the number of n X n symmetric binary matrices with no element equal to a strict majority of its knight-move neighbors.
A190630
Half the number of n X n symmetric binary matrices with no element equal to a strict majority of its knight-move neighbors.
Terms
- a(0) =1a(1) =4a(2) =6a(3) =8a(4) =63a(5) =563a(6) =10027a(7) =209836a(8) =6257561a(9) =259705792
External references
- oeis: A190630