Sum of trapezoid weights of all Schroeder paths of length 2n.

A104553

Sum of trapezoid weights of all Schroeder paths of length 2n.

Terms

    a(0) =1a(1) =7a(2) =38a(3) =198a(4) =1039a(5) =5533a(6) =29852a(7) =162716a(8) =893997a(9) =4942723a(10) =27466082a(11) =153264066a(12) =858230875a(13) =4820155001a(14) =27141345912a(15) =153168964216a(16) =866086326425

External references