173985944

Appears in sequences

• Number of (n+1)X3 0..3 arrays with no 2X2 subblock sum equal to any horizontal or vertical neighbor 2X2 subblock sum.at n=3A185573
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no 2X2 subblock sum equal to any horizontal or vertical neighbor 2X2 subblock sum.at n=11A185575
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no 2X2 subblock sum equal to any horizontal or vertical neighbor 2X2 subblock sum.at n=13A185575