

A171690


Number of parameter sequences of length n for which a certain 2factor contains a Hamiltonian cycle (see reference for precise definition).


1




OFFSET

1,3


COMMENTS

The next term is at least 100.


LINKS

Table of n, a(n) for n=1..7.
Torsten Mütze and Franziska Weber, Construction of 2factors in the middle layer of the discrete cube, arXiv preprint arXiv:1111.2413 [math.CO], 2011.
T. Mütze and F. Weber, Construction of 2factors in the middle layer of the discrete cube, Journal of Combinatorial Theory, Series A, 119(8) (2012), 18321855.


CROSSREFS

Cf. A202302.
Sequence in context: A038180 A058925 A266855 * A259763 A219337 A259482
Adjacent sequences: A171687 A171688 A171689 * A171691 A171692 A171693


KEYWORD

nonn,more


AUTHOR

N. J. A. Sloane, Jan 12 2012


STATUS

approved



