%I A108687
%S A108687 1,9,11,81,99,121,729,891,1089,1331,6561,8019,9801,11979,14641,59049,
%T A108687 72171,88209,107811,131769,161051,531441,649539,793881,970299,1185921,
%U A108687 1449459,1771561,4782969,5845851,7144929,8732691,10673289,13045131
%N A108687 Numbers of the form (9^i)*(11^j), with i, j >= 0.
%Y A108687 Cf. A025633, A025634, A107788, A107764, A003596, A003597, A107988, A003598, 
               A003599, A108090.
%Y A108687 Sequence in context: A145790 A143465 A116152 this_sequence A038301 A137016 
               A053886
%Y A108687 Adjacent sequences: A108684 A108685 A108686 this_sequence A108688 A108689 
               A108690
%K A108687 nonn
%O A108687 1,2
%A A108687 Douglas Winston (douglas.winston(AT)srupc.com), Jun 17 2005