Search: id:A003456
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%I A003456 M1509
%S A003456 1,2,5,17,62,275,1272,6225,31075,158376,816229,4251412,23319056,
%T A003456 117998524,627573216,3355499036,18025442261,97239773408,526560862829
%N A003456 Number of dissections of a polygon.
%D A003456 P. Lisonek, Closed forms for the number of polygon dissections. Journal 
               of Symbolic Computation 20 (1995), 595-601.
%D A003456 R. C. Read, On general dissections of a polygon, Aequat. Math. 18 (1978), 
               370-388.
%D A003456 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%Y A003456 Sequence in context: A112832 A148415 A148416 this_sequence A109084 A090902 
               A150012
%Y A003456 Adjacent sequences: A003453 A003454 A003455 this_sequence A003457 A003458 
               A003459
%K A003456 nonn
%O A003456 3,2
%A A003456 N. J. A. Sloane (njas(AT)research.att.com).

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