|
%I #24 Dec 30 2023 13:30:27
%S 0,0,1,31,616,9837,138414,1799895,22232908,265311073
%N Number of 5-cycles in the n-Mycielski graph.
%C Also the number of odd chordless cycles in the complement of the n-Mycielski graph.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/ChordlessCycle.html">Chordless Cycle</a>.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/GraphComplement.html">Graph Complement</a>.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/GraphCycle.html">Graph Cycle</a>.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/MycielskiGraph.html">Mycielski Graph</a>.
%Y Cf. A367986 (4-cycles).
%K nonn,more
%O 1,4
%A _Eric W. Weisstein_, Mar 26 2018
%E a(7) from _Eric W. Weisstein_, Dec 19 2021
%E a(8)-a(9) from _Pontus von Brömssen_, Oct 09 2022
%E a(10) from _Eric W. Weisstein_, Mar 04 2023
%E Name adjusted by _Eric W. Weisstein_, Dec 07 2023
| 