216286

Appears in sequences

• Sum of squares of the first n primes.at n=34A024450
• Consider the line segment in R^n from the origin to the point v=(2,3,5,7,11,...) with prime coordinates; let d = squared distance to this line from the closest point of Z^n (excluding the endpoints). Sequence gives d times v.v.at n=34A059804
• Number of connected subgraphs of the 12 X 12 grid graph induced by a vertex subset of size n.at n=8A262245
• The number of regions inside a concave circular triangle formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts.at n=26A340685