10413561

Appears in sequences

• Number of (n+2)X(2+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 4 or more.at n=2A251855
• Number of (n+2)X(3+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 4 or more.at n=1A251856
• T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 4 or more.at n=7A251858
• T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 4 or more.at n=8A251858
• Expansion of Sum_{n>=1} x^(n*(n+1)/2)*((1+x)/(1-x))^n.at n=44A369425