%I #22 Dec 07 2024 10:41:59
%S 0,0,0,4,9,12,13,16,21,28,36,41,49,56,65
%N Lower matching number of the n X n zebra graph.
%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/LowerMatchingNumber.html">Lower Matching Number</a>.
%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/ZebraGraph.html">Zebra Graph</a>.
%K nonn,more
%O 1,4
%A _Eric W. Weisstein_, Dec 05 2023
%E a(15) from _Eric W. Weisstein_, Dec 07 2024