%I #9 Apr 14 2019 10:52:48
%S 0,1,3,2,2,19,5,27,3,131,17,7,11,943,4,4,447,13,5035,9,37,118,703,
%T 15371,79,1595,87,11,28,98,10847,6,6,57731,604,63,1637147,13,478763,
%U 20,43331,34,3583111,7,7,21639,36,66436843,8011739,872,15,5699,77
%N Write fundamental unit for real quadratic field of discriminant n as x + y*omega; sequence gives values of x for n == 1 mod 4.
%C Entries are indexed by values of n from A039955.
%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]
%Y Cf. A053370-A053375.
%K nonn,easy,nice
%O 0,3
%A _N. J. A. Sloane_, Jan 06 2000