%I A046189
%S A046189 1,176,1575425,234631320,2098015778145,312461813932000,
%T A046189 2793956983975264801,416109772078405066376,3720751630955537773670465,
%U A046189 554139209013308662750166160,4954977037463529073741814611905
%N A046189 Octagonal pentagonal numbers.
%H A046189 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               OctagonalPentagonalNumber.html">Link to a section of The World of 
               Mathematics.</a>
%Y A046189 Cf. A046187, A046188.
%Y A046189 Sequence in context: A159426 A009722 A159442 this_sequence A164843 A077786 
               A147028
%Y A046189 Adjacent sequences: A046186 A046187 A046188 this_sequence A046190 A046191 
               A046192
%K A046189 nonn
%O A046189 1,2
%A A046189 Eric Weisstein (eric(AT)weisstein.com)