67599

Appears in sequences

• A diagonal of A008296.at n=26A059302
• Draw a line through every pair of points with coordinates (x, 1) and (x', 2) with x, x' in 1..n, and then count the number of intersection points above the line y = 2.at n=31A092275
• Bases of right triangles that are solutions to Leech's problem A117319.at n=31A117320
• a(n) = (8*n+3)*(8*n+5).at n=32A177065