A289904 Number of edge covers in the n-triangular honeycomb acute knight graph.

0, 0, 1, 16, 4913, 13481272, 272624565213, 43591165915025672, 54987285852263666792584, 546490452644177272846400450304, 42801199124555963417196629935933733033, 26416976791435052534725445524174519235494961992

Offset: 1

Author

Eric W. Weisstein, Jul 14 2017

Keywords

• nonn

Links

• Eric Weisstein's World of Mathematics, Edge Cover

Crossrefs

Cf. A287230, A289906.

Extensions

a(10)-a(12) from Andrew Howroyd, Dec 26 2017