Number of n-node rooted identity trees with thinning limbs and root outdegree (branching factor) 8.

A245127

Number of n-node rooted identity trees with thinning limbs and root outdegree (branching factor) 8.

Terms

    a(0) =4a(1) =18a(2) =75a(3) =241a(4) =732a(5) =2048a(6) =5507a(7) =14149a(8) =35406a(9) =86251a(10) =206060a(11) =483503a(12) =1118366a(13) =2553371a(14) =5766634a(15) =12896468a(16) =28598143a(17) =62934478a(18) =137565845a(19) =298871089a(20) =645779488a(21) =1388442085a(22) =2971788670a(23) =6334659311a(24) =13452368784a(25) =28469327221a(26) =60059197787a(27) =126331495950a(28) =265014539903

External references