204143

Properties

Appears in sequences

• Number of 10-element subsets of [n] whose sum is a triangular number.at n=15A320856
• Triangle read by rows: T(n,k) is the number of face-connected components of polyhedra with k prisms and n-k truncated cuboctahedra in the omnitruncated cubic honeycomb up to rotation and reflection, 0 <= k <= n.at n=31A384755
• Prime numbersat n=18316