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Number of maximal independent vertex sets in the n-triangular honeycomb queen graph.
1

%I #12 Feb 16 2025 08:33:49

%S 1,3,3,11,23,73,211,651,2371,7401,30151,107713,456409,1888753,8148451,

%T 37754791,170459451,842310755,4096595827,20984546901

%N Number of maximal independent vertex sets in the n-triangular honeycomb queen graph.

%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/MaximalIndependentVertexSet.html">Maximal Independent Vertex Set</a>

%Y Cf. A289709, A289893.

%K nonn,more,changed

%O 1,2

%A _Eric W. Weisstein_, Jul 14 2017

%E a(14)-a(20) from _Andrew Howroyd_, Dec 03 2021