%I A051048
%S A051048 2,5,31,449,6271,87361,1216799,16947841,236052991,3287794049,
%T A051048 45793063711,637815097921,8883618307199,123732841202881,
%U A051048 1723376158533151,24003533378261249,334326091137124351
%N A051048 Sqrt[a(n)a(n+1)+1] of A051047.
%H A051048 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               DiophantusProperty.html">Link to a section of The World of Mathematics.</
               a>
%F A051048 G.f.: x(-4x^4+57x^3-14x^2-25x+2)/[(1-x)(1-14x+x^2)].
%Y A051048 Cf. A051047.
%Y A051048 Sequence in context: A056788 A091859 A085873 this_sequence A163852 A051399 
               A080582
%Y A051048 Adjacent sequences: A051045 A051046 A051047 this_sequence A051049 A051050 
               A051051
%K A051048 nonn
%O A051048 1,1
%A A051048 Eric Weisstein (eric(AT)weisstein.com)