A364162 - OEIS

%I #11 Feb 16 2025 08:34:06

%S 0,0,1,180,2263,13280,48772,139880,335746,717172,1394367,2530308,

%T 4334037,7090956,11152386,16974892,25106088,36230756,51149185,

%U 70840252,96432435,129263544,170864696,223022704

%N Number of chordless cycles (of length > 3) in the complement of the n X n queen graph.

%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/ChordlessCycle.html">Chordless Cycle</a>

%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/QueenGraph.html">Queen Graph</a>

%Y Cf. A361184, A361188.

%K nonn,more

%O 1,4

%A _Eric W. Weisstein_, Jul 11 2023

%E a(16) from _Eric W. Weisstein_, Jul 13 2023

%E a(17)-a(24) from _Pontus von Brömssen_, Jul 13 2023