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A351591
Number of minimal edge coverings of the n-triangular honeycomb acute knight graph.
0
0, 0, 1, 9, 64, 2197, 608923, 216000000
OFFSET
1,4
LINKS
Eric Weisstein's World of Mathematics, Minimal Edge Cover
CROSSREFS
Sequence in context: A056769 A273232 A064546 * A217872 A067961 A104127
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Feb 14 2022
EXTENSIONS
a(8) from Andrew Howroyd, Feb 21 2022
STATUS
approved