%I A143247
%S A143247 0,0,2,20,204620
%N A143247 Number of (directed) Hamiltonian circuits in the Mycielski graph of order 
               n.
%H A143247 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               MycielskiGraph.html">MycielskiGraph</a>
%H A143247 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               HamiltonianCircuit.html">HamiltonianCircuit</a>
%Y A143247 Sequence in context: A134476 A055746 A060600 this_sequence A162536 A100980 
               A122509
%Y A143247 Adjacent sequences: A143244 A143245 A143246 this_sequence A143248 A143249 
               A143250
%K A143247 nonn,more
%O A143247 1,3
%A A143247 E. W. Weisstein (eric(AT)weisstein.com), Aug 01, 2008