21216780

Appears in sequences

• Number of (n+1)X3 0..2 arrays with no 2X2 subblock trace equal to any horizontal or vertical neighbor 2X2 subblock trace.at n=4A186134
• Number of (n+1) X 6 0..2 arrays with no 2 X 2 subblock trace equal to any horizontal or vertical neighbor 2 X 2 subblock trace.at n=1A186137
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no 2X2 subblock trace equal to any horizontal or vertical neighbor 2X2 subblock trace.at n=16A186141
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no 2X2 subblock trace equal to any horizontal or vertical neighbor 2X2 subblock trace.at n=19A186141