33052

Appears in sequences

• Number of lines through exactly 4 points of an n X n grid of points.at n=45A018811
• Number of different energy states between two stacked necklaces, each of n positive and n negative charges.at n=7A045612
• a(0)=1; a(n) = sigma_2(n) + sigma_3(n).at n=30A092344
• Number of (3+1) X (n+1) 0..1 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction.at n=11A250771