Search: id:A001833
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%I A001833 M3067 N1243
%S A001833 1,3,19,219,3991,106623
%N A001833 Number of labeled graded partially ordered sets with n elements.
%D A001833 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A001833 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 
               (includes this sequence).
%D A001833 D. A. Klarner, The number of graded partially ordered sets, J. Combin. 
               Theory, 6 (1969), 12-19.
%H A001833 <a href="Sindx_Pos.html#posets">Index entries for sequences related to 
               posets</a>
%Y A001833 Cf. A001831 (how does that sequence differ?).
%Y A001833 Sequence in context: A135749 A005647 A158876 this_sequence A001035 A166380 
               A136652
%Y A001833 Adjacent sequences: A001830 A001831 A001832 this_sequence A001834 A001835 
               A001836
%K A001833 nonn
%O A001833 1,2
%A A001833 N. J. A. Sloane (njas(AT)research.att.com).

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