239572

Appears in sequences

• Number of (n+1)X(3+1) 0..2 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column.at n=4A251462
• Number of (n+1)X(5+1) 0..2 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column.at n=2A251464
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column.at n=23A251467
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column.at n=25A251467
• Number of nX3 0..1 arrays with every element unequal to 1, 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=10A317818