247252

Appears in sequences

• Number of (n+1)X(4+1) 0..2 arrays with every 2X2 subblock ne-sw antidiagonal difference nondecreasing horizontally and nw+se diagonal sum nondecreasing vertically.at n=2A253745
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock ne-sw antidiagonal difference nondecreasing horizontally and nw+se diagonal sum nondecreasing vertically.at n=17A253749
• Number of (3+1)X(n+1) 0..2 arrays with every 2X2 subblock ne-sw antidiagonal difference nondecreasing horizontally and nw+se diagonal sum nondecreasing vertically.at n=3A253751
• Expansion of Product_{k>=1} ((1 + 8^k*x^k)/(1 - 8^k*x^k))^(1/8^k).at n=8A303443
• Absolute discriminants of imaginary quadratic number fields with elementary bicyclic 7-class group (7,7).at n=15A359872