43907

Appears in sequences

• Denominators of continued fraction convergents to sqrt(647).at n=9A042243
• Number of (3+1) X (n+1) 0..1 arrays with every 2 X 2 subblock ne-sw antidiagonal difference nondecreasing horizontally and nw+se diagonal sum nondecreasing vertically.at n=29A258556
• Number of binary strict trees of weight n.at n=16A300442
• a(n) = n^2 * prime(n).at n=22A356868
• 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=10A359975