236203

Appears in sequences

• Number of nonempty subsets of {1,2,...,n} in which exactly 1/3 of the elements are <= (n-1)/3.at n=20A048006
• Number of nonempty subsets of {1,2,...,n} in which exactly 1/3 of the elements are <= (n-2)/3.at n=20A048017
• Number of nonempty subsets of {1,2,...,n} in which exactly 1/3 of the elements are <= (n-3)/3.at n=20A048028
• Number of minimal coprime labelings for the complete bipartite graph K_{n,n}.at n=49A213806