75220

Appears in sequences

• Numerator of Sum_{i=1..n} i^3/(n-i+1).at n=8A119783
• a(n) is the surface area of the symmetric tower described in A221529 which is a polycube whose successive terraces are the symmetric representation of sigma A000203(i) (from i = 1 to n) starting from the top and the levels of these terraces are the partition numbers A000041(h-1) (from h = 1 to n) starting from the base.at n=28A345023