%I A048906
%S A048906 1,297045,69010153345,16032576845184901,3724720317758036481633,
%T A048906 865334473646149974640821781,201036235582696134090746961388705,
%U A048906 46705140322177796790584365589105966085
%N A048906 Octagonal heptagonal numbers.
%H A048906 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               OctagonalHeptagonalNumber.html">Link to a section of The World of 
               Mathematics.</a>
%Y A048906 Cf. A048904, A048905.
%Y A048906 Sequence in context: A137817 A137818 A164946 this_sequence A119740 A022246 
               A050257
%Y A048906 Adjacent sequences: A048903 A048904 A048905 this_sequence A048907 A048908 
               A048909
%K A048906 nonn
%O A048906 1,2
%A A048906 Eric Weisstein (eric(AT)weisstein.com)