Kleitman, D. J.; Golden, B. Counting trees in a certain class of graphs. (English) Zbl 0297.05123 Am. Math. Mon. 82, 40-44 (1975). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 ReviewsCited in 13 Documents MSC: 05C30 Enumeration in graph theory 05C05 Trees PDF BibTeX XML Cite \textit{D. J. Kleitman} and \textit{B. Golden}, Am. Math. Mon. 82, 40--44 (1975; Zbl 0297.05123) Full Text: DOI OpenURL Online Encyclopedia of Integer Sequences: a(n) = n times the square of Fibonacci(n).