50738

Appears in sequences

• E.g.f: exp(2*x + 5*x^2/2).at n=7A202832
• Number of obtuse triangles, distinct up to congruence, on a centered hexagonal grid of size n.at n=16A241234
• Indices of the start of 10 successive distinct digits in the decimal expansion of e (2.718281828...).at n=26A258166
• a(n) = sum of the origin-to-boundary graph-distances of all partitions of n.at n=33A368986