%I A004131 M2527
%S A004131 1,3,6,9,13,17,24,30,36
%N A004131 Modular postage stamp problem.
%D A004131 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A004131 R. L. Graham and N. J. A. Sloane, On Additive Bases and Harmonious Graphs, 
               SIAM J. Algebraic and Discrete Methods, 1 (1980), 382-404.
%D A004131 P. Frankl et al., Projecting a finite point-set..., Ryukyu Math. J. 8 
               (1995), 27-35.
%H A004131 R. L. Graham and N. J. A. Sloane, <a href="http://www.research.att.com/
               ~njas/doc/RLG/073.pdf">On Additive Bases and Harmonious Graphs</a>
%Y A004131 Sequence in context: A004129 A004137 A080060 this_sequence A032782 A076523 
               A129403
%Y A004131 Adjacent sequences: A004128 A004129 A004130 this_sequence A004132 A004133 
               A004134
%K A004131 nonn
%O A004131 2,2
%A A004131 N. J. A. Sloane (njas(AT)research.att.com).