%I #12 Apr 14 2019 11:00:43
%S 2,8,10,4,170,24,1520,6,25,3482,48,50,89,530,48842,3480,80,82,28,1574,
%T 39,227528,962,295,1126,120,122,4730624,10610,77563250,12,1728148040,
%U 249,1324,64080026,168,4190210,487,1682,8994000,14
%N Write fundamental unit for real quadratic field of discriminant n as x + y*omega; sequence gives values of x for n == 3 mod 4.
%C Entries are indexed by values of n from A039957.
%D R. A. Mollin, Quadratics, CRC Press, 1996, Tables B1-B3.
%H S. R. Finch, <a href="http://www.people.fas.harvard.edu/~sfinch/">Class number theory</a>
%H Steven R. Finch, <a href="/A000924/a000924.pdf">Class number theory</a> [Cached copy, with permission of the author]
%t NumberFieldFundamentalUnits[ Sqrt[#] ][[1, 2, 1]] & /@ Select[Range[3, 195, 4], SquareFreeQ ] (* _Jean-François Alcover_, Jul 09 2013 *)
%Y Cf. A053370-A053375.
%K nonn,easy,nice
%O 0,1
%A _N. J. A. Sloane_, Jan 06 2000