118746

Appears in sequences

• Number of regions formed inside a right triangle by the straight line segments mutually connecting all vertices and points on the two shorter edges whose positions on one edge equal the Farey series of order n while on the other they divide its length into n equal segments.at n=12A359975
• Expansion of (1/x) * Series_Reversion( x * (1 - x^2 * (1 + x)^3) / (1 + x)^2 ).at n=8A387668