74632

Appears in sequences

• a(n) = (1+n)*(9 + 11*n + 4*n^2)/3.at n=37A172482
• a(n) = Sum_{k=1..n} floor((n/k)^k).at n=24A347415
• Number of unlabeled connected graphs with n vertices which are planar squares.at n=17A382284