login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A171690
Number of parameter sequences of length n for which a certain 2-factor contains a Hamiltonian cycle (see reference for precise definition).
1
1, 1, 2, 6, 44, 614, 0
OFFSET
1,3
COMMENTS
The next term is at least 100.
LINKS
Torsten Mütze and Franziska Weber, Construction of 2-factors in the middle layer of the discrete cube, arXiv preprint arXiv:1111.2413 [math.CO], 2011.
T. Mütze and F. Weber, Construction of 2-factors in the middle layer of the discrete cube, Journal of Combinatorial Theory, Series A, 119(8) (2012), 1832-1855.
CROSSREFS
Cf. A202302.
Sequence in context: A058925 A266855 A332074 * A259763 A219337 A259482
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Jan 12 2012
STATUS
approved