%I A002789 M1039 N0390
%S A002789 2,4,7,11,16,21,28,35
%N A002789 Integral points in a quadrilateral.
%D A002789 Ehrhart, E.; Sur un probleme de geometrie diophantienne lineaire I. Polyedres 
               et reseaux, J. Reine Angew. Math. 226 1967 1-29.
%D A002789 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 
               (includes this sequence).
%D A002789 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%Y A002789 Sequence in context: A025718 A022783 A025708 this_sequence A024673 A083204 
               A061784
%Y A002789 Adjacent sequences: A002786 A002787 A002788 this_sequence A002790 A002791 
               A002792
%K A002789 nonn
%O A002789 1,1
%A A002789 N. J. A. Sloane (njas(AT)research.att.com).