A220841 Number of 2-cop-win graphs of order n.

0, 0, 0, 1, 5, 44, 450, 7326, 195519, 9458257

Offset

1,5

Links

Table of n, a(n) for n=1..10.

W. D. Baird, Cops and robbers on graphs and hypergraphs, MS Thesis, Applied Mathematics, Ryerson University, 2011. - From N. J. A. Sloane, Dec 29 2012

W. Baird, A. Beveridge, A. Bonato et al., On the minimum order of k-cop-win graphs, arXiv:1308.2841 [math.CO], 2013.

W. Baird, A. Beveridge, A. Bonato, P. Codenotti, A. Maurer et al., On the minimum order of k-cop-win graphs, Ryerson Applied Mathematics Laboratory. Technical Report, Ryerson University, 2014.

Crossrefs

Sequence in context: A096355 A371787 A222508 * A366924 A343425 A054766

Adjacent sequences: A220838 A220839 A220840 * A220842 A220843 A220844

Keyword

nonn,more

Author

N. J. A. Sloane, Dec 23 2012

Status

approved