218854

Appears in sequences

• Number of (n+1)X(1+1) 0..3 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column.at n=5A251475
• Number of (n+1)X(6+1) 0..3 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column.at n=0A251480
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column.at n=15A251481
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column.at n=20A251481