Search: id:A003405
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%I A003405 M0754
%S A003405 1,1,2,3,6,8,13,19,30,41,59,80,113,149,202,264,350,447,578,730,928,
%T A003405 1155,1444,1777,2193,2667,3249,3915,4721,5635,6728,7967,9432,11083,13016
%N A003405 Certain partially ordered sets of integers.
%D A003405 J. C. P. Miller, On the enumeration of partially ordered sets of integers, 
               pp. 109-124 of T. P. McDonough and V. C. Mavron, editors, Combinatorics: 
               Proceedings of the Fourth British Combinatorial Conference 1973. 
               London Mathematical Society, Lecture Note Series, Number 13, Cambridge 
               University Press, NY, 1974.
%D A003405 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%H A003405 <a href="Sindx_Pos.html#posets">Index entries for sequences related to 
               posets</a>
%Y A003405 Sequence in context: A068491 A024788 A004101 this_sequence A153918 A114319 
               A089426
%Y A003405 Adjacent sequences: A003402 A003403 A003404 this_sequence A003406 A003407 
               A003408
%K A003405 nonn
%O A003405 0,3
%A A003405 N. J. A. Sloane (njas(AT)research.att.com).

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