51075

Appears in sequences

• a(n) = Sum_{k=1..n} floor((n/k) * floor((n/k) * floor(n/k))).at n=34A024922
• Number of n-bead necklace structures using exactly four different colored beads.at n=11A056297
• Triangle read by rows: T(n,k) is the number of k-block partitions of an n-set up to rotations.at n=69A152175
• Triangle T(n, k) = (-1)^(n-k)*StirlingS1(n, k) + (-1)^k*StirlingS1(n, n-k) + (-1)^n*StirlingS1(n, k)*StirlingS1(n, n-k), read by rows.at n=24A155744
• Number of partitions p of n such that max(p) - min(p) is not a part of p.at n=42A238494
• Triangle read by rows, 1 <= k <= n: T(n,k) = non-isomorphic colorings of a toroidal n X k grid using exactly four colors under translational symmetry and swappable colors.at n=8A294793
• Numbers m such that abs(K(m+1) - K(m)) = 1, where K(m) = A002034(m) is the Kempner function.at n=33A346211