a(n) is the numerator of the probability that n segments of length 2, each placed randomly on a line segment of length 2n, will completely cover the line segment.

A231580

a(n) is the numerator of the probability that n segments of length 2, each placed randomly on a line segment of length 2n, will completely cover the line segment.

Terms

    a(0) =1a(1) =2a(2) =7a(3) =34a(4) =638a(5) =4876a(6) =220217a(7) =6885458a(8) =569311642a(9) =7515775348a(10) =197394815194

External references