Triangle read by rows: T(n,k) is the number of full binary trees with n internal vertices and Strahler number k.

A127151

Triangle read by rows: T(n,k) is the number of full binary trees with n internal vertices and Strahler number k.

Terms

    a(0) =1a(1) =2a(2) =4a(3) =1a(4) =8a(5) =6a(6) =16a(7) =26a(8) =32a(9) =100a(10) =64a(11) =364a(12) =1a(13) =128a(14) =1288a(15) =14a(16) =256a(17) =4488a(18) =118a(19) =512a(20) =15504a(21) =780a(22) =1024a(23) =53296a(24) =4466a(25) =2048a(26) =182688a(27) =23276a(28) =4096a(29) =625184

External references