%I A003585
%S A003585 3,7,21,31,33,43,67,79,87,133,217,219,223,253,307,391,679,2719
%N A003585 Odd numbers that are not of the form x^2+y^2+10*z^2.
%C A003585 Under GRH, all odd numbers that might possibly be of form x^2+y^2+10*z^2 
               but aren't.
%D A003585 K. Ono, Ramanujan's ternary quadratic form, Abstract 914-11-96, Abstracts 
               Amer. Math. Soc., 17 (1996), 476.
%D A003585 K. Ono, Ramanujan, taxicabs, birthdates, ZIP codes and twists, Amer. 
               Math. Monthly, 104 (1997), 912-917.
%D A003585 K. Ono, Honoring a gift from Kumbakonam, Notices Amer. Math. Soc., 53 
               (2006), 640-651.
%D A003585 S. Ramanujan, Coll. Papers, p. 172.
%H A003585 Ben Kane, <a href="http://www.mi.uni-koeln.de/~bkane/papers/triangular/
               repset.pdf">Representing Sets With Sums Of Triangular Numbers</a> 
               [From Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Oct 01 2009]
%Y A003585 Sequence in context: A018479 A090504 A018548 this_sequence A108102 A065523 
               A046528
%Y A003585 Adjacent sequences: A003582 A003583 A003584 this_sequence A003586 A003587 
               A003588
%K A003585 nonn,fini,full,nice
%O A003585 1,1
%A A003585 N. J. A. Sloane (njas(AT)research.att.com).