238900

Appears in sequences

• Expansion of (f(-x^5) / f(-x))^2 in powers of x where f() is a Ramanujan theta function.at n=29A263002
• Place a point on the integer coordinates, up to |n|, along all four axial directions on a Cartesian plane, and then join an infinite straight line between every pair of points: a(n) is the number of finite edges created in the resulting graph.at n=11A386561