52840

Appears in sequences

• Number of 3:4:5 proportioned triangles on a (n+1)X(n+1) grid.at n=28A189972
• Number of nondecreasing -n..n vectors of length 3 whose dot product with some nonincreasing -n..n vector equals 3.at n=34A226400
• Number of examples for Simpson's paradox with data items in {0,1,...,n}.at n=7A281700
• a(n) = Sum_{i=1..floor((n-1)/2)} i * (n-i)^2.at n=30A308038