195816

Appears in sequences

• Expansion of f(-x)^2 * f(-x^10) / phi(-x)^3 in powers of x where phi(), f() are Ramanujan theta functions.at n=19A262050
• Number of triangular regions into which a figure made up of a row of n adjacent congruent rectangles is divided upon drawing diagonals of all possible rectangles.at n=38A324042
• Number of polygons formed outside an n X n square when connecting all 4n points on the perimeter of the square by infinite lines.at n=13A345648