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A290614 Number of maximal independent vertex sets (and minimal vertex covers) in the n-triangular honeycomb acute knight graph. 0
1, 1, 8, 18, 27, 216, 1764, 10648, 74088, 1072148, 21024576, 348913664, 7715561070, 275259237625, 12230590464000, 592493444540212, 37366900397568000, 3330826385498445483, 370530347743457894433, 49507287177905438027264 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
LINKS
Eric Weisstein's World of Mathematics, Maximal Independent Vertex Set
Eric Weisstein's World of Mathematics, Minimal Vertex Cover
CROSSREFS
Sequence in context: A069236 A187101 A051370 * A347640 A347995 A248015
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Aug 07 2017
EXTENSIONS
a(11)-a(12) from Eric W. Weisstein, Dec 14 2018
a(13)-a(20) from Eric W. Weisstein, Dec 04 2020
STATUS
approved

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Last modified February 29 03:50 EST 2024. Contains 370401 sequences. (Running on oeis4.)