57680

Appears in sequences

• Number of nonempty subsets of {1,2,...,n} in which exactly 3/5 of the elements are <= n/3.at n=23A047200
• Number of nonempty subsets of {1,2,...,n} in which exactly 3/5 of the elements are <= (n+1)/3.at n=23A048045
• Number of nonempty subsets of {1,2,...,n} in which exactly 3/5 of the elements are <= (n+2)/3.at n=23A048078
• Number of length 6 walks on an n-dimensional hypercubic lattice starting and finishing at the origin and staying in the nonnegative part.at n=16A064046
• Number of 5-cycles in the n-polygon diagonal intersection graph.at n=37A300553