OFFSET
1,4
COMMENTS
Previous name was: Number of primitive sorting networks on n elements.
REFERENCES
M. H. Klin et al., "2D-configurations and clique-cyclic orientations of the graphs L(K_p)", pages 149-162 of Reports in Molecular Theory, Vol. 1, 1990.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
LINKS
D. E. Knuth, Axioms and Hulls, Lect. Notes Comp. Sci., Vol. 606, Springer-Verlag, Berlin, Heidelberg, 1992, p.35, entry C_n.
John Mackey and Bernardo Subercaseaux, Pentagon Minimization without Computation, arXiv:2409.17098 [math.CO], 2024. See p. 4.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
EXTENSIONS
Definition corrected by Günter Rote, Dec 02 2021
STATUS
approved