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%I #17 May 28 2018 03:42:24
%S 1,1,2,6,44,614,0
%N Number of parameter sequences of length n for which a certain 2-factor contains a Hamiltonian cycle (see reference for precise definition).
%C The next term is at least 100.
%H Torsten Mütze and Franziska Weber, <a href="http://arxiv.org/abs/1111.2413">Construction of 2-factors in the middle layer of the discrete cube</a>, arXiv preprint arXiv:1111.2413 [math.CO], 2011.
%H T. Mütze and F. Weber, <a href="http://dx.doi.org/10.1016/j.jcta.2012.06.005">Construction of 2-factors in the middle layer of the discrete cube</a>, Journal of Combinatorial Theory, Series A, 119(8) (2012), 1832-1855.
%Y Cf. A202302.
%K nonn,more
%O 1,3
%A _N. J. A. Sloane_, Jan 12 2012