|
%I #22 Dec 19 2021 02:37:20
%S 1,3,3,2,23,18,6,270,166,28,4842,2532,244,120052,49620,2544,3852972,
%T 1270832,35600,156145080,40668960,659632,7746956424,1606984224,
%U 15106128,460265296128,75930070688,425802176
%N Number of maximum independent vertex sets in the n-triangular honeycomb queen graph.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/MaximumIndependentVertexSet.html">Maximum Independent Vertex Set</a>
%F a(3*n+1) agrees with A002047(n) for available terms.
%Y Cf. A002047, A350041, A350191, A004396 (independence number).
%K nonn,more,hard
%O 1,2
%A _Eric W. Weisstein_, Jul 14 2017
%E a(18)-a(19) from _Vaclav Kotesovec_, Dec 13 2021
%E a(20) from _Vaclav Kotesovec_, Dec 16 2021
%E a(21)-a(28) from _Martin Ehrenstein_, Dec 17 2021
|
