Half the number of n X n symmetric binary matrices with no element equal to a strict majority of its diagonal, vertical and horizontal neighbors.
A190628
Half the number of n X n symmetric binary matrices with no element equal to a strict majority of its diagonal, vertical and horizontal neighbors.
Terms
- a(0) =1a(1) =1a(2) =5a(3) =37a(4) =401a(5) =7177a(6) =211675a(7) =10163916a(8) =789061887a(9) =99261256018
External references
- oeis: A190628