%I A125705
%S A125705 0,1,2,3,4,5,6,7,8,9,10,12,13,14,15,17,18,19,20,21,22,27,28,30,32,35,39,
%T A125705 42,43,44,45,48,49,50,51,60,65,66,72,73,87,90,105
%N A125705 Genera g such that every orientation-preserving periodic automorphism 
               of the closed orientable surface of genus g has an invariant circle.
%C A125705 There are no other g with g<=10000.
%D A125705 H. Geiges & D. Rattaggi, Periodic Automorphisms of Surfaces: Invariant 
               Circles and Maximal Orders, Experimental Mathematics, vol. 9 (2000).
%Y A125705 Sequence in context: A072226 A074402 A094270 this_sequence A154314 A005524 
               A082918
%Y A125705 Adjacent sequences: A125702 A125703 A125704 this_sequence A125706 A125707 
               A125708
%K A125705 nonn,nice
%O A125705 1,3
%A A125705 Alex Fink (000024(AT)gmail.com), Jan 31 2007