172992

Appears in sequences

• a(n) = 169*n^2 - 2*n.at n=31A158218
• Number of (n+1)X2 0..3 arrays with every 2X2 subblock sum equal to some horizontal or vertical neighbor 2X2 subblock sum.at n=4A185568
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock sum equal to some horizontal or vertical neighbor 2X2 subblock sum.at n=10A185571
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock sum equal to some horizontal or vertical neighbor 2X2 subblock sum.at n=14A185571
• T(n,k)=Number of (n+1) X (k+1) 0..3 arrays with every 2 X 2 subblock sum equal to exactly one or two horizontal and vertical neighbor 2 X 2 subblock sums.at n=10A188370
• T(n,k)=Number of (n+1) X (k+1) 0..3 arrays with every 2 X 2 subblock sum equal to exactly one or two horizontal and vertical neighbor 2 X 2 subblock sums.at n=14A188370
• Number of n X 2 0..1 arrays with rows and columns in lexicographic nondecreasing order but with exactly one mistake.at n=15A278357