Rényi, Alfréd Some remarks on the theory of trees. (English) Zbl 0093.37604 Publ. Math. Inst. Hung. Acad. Sci. 4, 73-85 (1959). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 ReviewsCited in 39 Documents Keywords:topology PDF BibTeX XML Cite \textit{A. Rényi}, Publ. Math. Inst. Hung. Acad. Sci. 4, 73--85 (1959; Zbl 0093.37604) OpenURL Online Encyclopedia of Integer Sequences: Triangle T read by rows: T(n, k) = k*n^(n-k-1) with 0 < k < n.