%I A048913
%S A048913 1,14,7189,165026,86968201,1996480214,1052141284189,24153417459626,
%T A048913 12728805169146001,292208042430070814,153993083884187031589,
%U A048913 3535132873165579243826,1863008316102089539013401
%N A048913 Indices of 9-gonal numbers which are also pentagonal.
%H A048913 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               NonagonalPentagonalNumber.html">Link to a section of The World of 
               Mathematics.</a>
%Y A048913 Cf. A048914, A048915.
%Y A048913 Sequence in context: A060856 A030531 A147686 this_sequence A104376 A053870 
               A079176
%Y A048913 Adjacent sequences: A048910 A048911 A048912 this_sequence A048914 A048915 
               A048916
%K A048913 nonn
%O A048913 1,2
%A A048913 Eric Weisstein (eric(AT)weisstein.com)