

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.


REFERENCES

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.


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, 2011


CROSSREFS

Cf. A202302.
Sequence in context: A120594 A038180 A058925 * A219337 A255015 A229836
Adjacent sequences: A171687 A171688 A171689 * A171691 A171692 A171693


KEYWORD

nonn,more


AUTHOR

N. J. A. Sloane, Jan 12 2012


STATUS

approved



