Search: id:A000785
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%I A000785 M1392 N0542
%S A000785 0,0,0,1,2,5,11,21,39,73,129,226,388,659,1100,1821,2976,4828,7754,
%T A000785 12370,19574,30789,48097,74725,115410,177366,271159,412665,625098,
%U A000785 942932,1416362,2119282,3158840,4691431,6942882,10240503,15054705
%N A000785 Number of asymmetrical planar partitions of n: planar partitions (A000219) 
               that when regarded as 3-D objects have no symmetry).
%D A000785 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A000785 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 
               (includes this sequence).
%D A000785 P. A. MacMahon, Combinatory Analysis. Cambridge Univ. Press, London and 
               New York, Vol. 1, 1915 and Vol. 2, 1916; see vol. 2, p 332.
%H A000785 P. A. MacMahon, <a href="http://www.hti.umich.edu/cgi/t/text/text-idx?c=umhistmath;
               idno=ABU9009">Combinatory analysis</a>.
%Y A000785 Equals (A048141-3*A048140+2*A000219-A048142)/3. Cf. A000784, A000786, 
               A005987.
%Y A000785 Sequence in context: A082775 A023548 A144700 this_sequence A049936 A058358 
               A135119
%Y A000785 Adjacent sequences: A000782 A000783 A000784 this_sequence A000786 A000787 
               A000788
%K A000785 nonn,nice
%O A000785 1,5
%A A000785 N. J. A. Sloane (njas(AT)research.att.com).
%E A000785 More terms from Wouter Meeussen (wouter.meeussen(AT)pandora.be)

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