794430

Appears in sequences

• a(n) = n*(n+1)*(n^2+n+1)/2.at n=35A110450
• a(n) = smaller member of n-th pair of distinct, positive, triangular numbers whose sum and difference are also triangular numbers.at n=27A185129
• Triangular numbers, T(m), that are three-quarters of another triangular number: T(m) such that 4*T(m)=3*T(k) for some k.at n=3A200998
• Number of ways to choose two points on a centered hexagonal grid of size n.at n=20A241219
• Number of unordered pairs of strict integer partitions of n.at n=41A366317