%I A048916
%S A048916 1,10,39025,621946,2517635809,40124201194,162422756519761,
%T A048916 2588572715184730,10478541711598202305,166999180107303446986,
%U A048916 676012639819623666961969,10773785102854001863647034
%N A048916 Indices of 9-gonal numbers which are also hexagonal.
%H A048916 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               NonagonalHexagonalNumber.html">Link to a section of The World of 
               Mathematics.</a>
%Y A048916 Cf. A048917, A048918.
%Y A048916 Sequence in context: A052498 A055321 A092300 this_sequence A055310 A048832 
               A115673
%Y A048916 Adjacent sequences: A048913 A048914 A048915 this_sequence A048917 A048918 
               A048919
%K A048916 nonn
%O A048916 1,2
%A A048916 Eric Weisstein (eric(AT)weisstein.com)