Number of rooted planar binary unlabeled trees with n leaves and caterpillar index = 5.

A214205

Number of rooted planar binary unlabeled trees with n leaves and caterpillar index = 5.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =8a(6) =0a(7) =16a(8) =64a(9) =240a(10) =832a(11) =2976a(12) =11008a(13) =40624a(14) =150400a(15) =559584a(16) =2090112a(17) =7832928a(18) =29432704a(19) =110863680a(20) =418479104a(21) =1582628656a(22) =5995379456a(23) =22746329952a(24) =86417102720a(25) =328720669216

External references