%I A048919
%S A048919 1,88,12445,1767052,250908889,35627295136,5058825000373,
%T A048919 718317522757780,101996029406604337,14482717858215058024,
%U A048919 2056443939837131635021,292000556739014477114908
%N A048919 Indices of 9-gonal numbers which are also heptagonal.
%H A048919 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               NonagonalHeptagonalNumber.html">Link to a section of The World of 
               Mathematics.</a>
%Y A048919 Cf. A048920, A048921.
%Y A048919 Sequence in context: A137057 A004391 A052069 this_sequence A159718 A157460 
               A093244
%Y A048919 Adjacent sequences: A048916 A048917 A048918 this_sequence A048920 A048921 
               A048922
%K A048919 nonn
%O A048919 1,2
%A A048919 Eric Weisstein (eric(AT)weisstein.com)