305000

Appears in sequences

• Number of regular octahedra that can be formed using the points in an (n+1)X(n+1)X(n+1) lattice cube.at n=26A178797
• Least k formed by the concatenation of two numbers n and d such that d is the n-th divisor of k, or 0 if no such k exists.at n=29A257491
• Numbers m such that the concatenation of k and the k-th divisor of m is equal to m for some k.at n=27A258738