A351591 Number of minimal edge coverings of the n-triangular honeycomb acute knight graph.

0, 0, 1, 9, 64, 2197, 608923, 216000000

Offset

1,4

Links

Table of n, a(n) for n=1..8.

Eric Weisstein's World of Mathematics, Minimal Edge Cover

Crossrefs

Cf. A289904, A321486.

Sequence in context: A056769 A273232 A064546 * A217872 A067961 A104127

Adjacent sequences: A351588 A351589 A351590 * A351592 A351593 A351594

Keyword

nonn,more

Author

Eric W. Weisstein, Feb 14 2022

Extensions

a(8) from Andrew Howroyd, Feb 21 2022

Status

approved