Half the number of n X n symmetric binary matrices with no element equal to a strict majority of its king- and knight-move neighbors.
A190631
Half the number of n X n symmetric binary matrices with no element equal to a strict majority of its king- and knight-move neighbors.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =7a(4) =34a(5) =193a(6) =1540a(7) =18231a(8) =316852a(9) =8478040a(10) =322171328
External references
- oeis: A190631