Search: id:A063841
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%I A063841
%S A063841 1,1,1,1,2,1,1,3,4,1,1,4,10,11,1,1,5,20,66,34,1,1,6,35,276,792,156,1,1,
%T A063841 7,56,900,10688,25506,1044,1,1,8,84,2451,90005,1601952,2302938,12346,1,
%U A063841 1,9,120,5831,533358,43571400,892341888,591901884,274668,1
%N A063841 Table T(n,k) giving number of n-multigraphs on k nodes (n >= 0, k >= 
               1) read by antidiagonals.
%H A063841 Harald Fripertinger, <a href="http://www.mathe2.uni-bayreuth.de/frib/
               html/book/hyl00_42.html">The cycle type of the induced action on 
               2-subsets</a>
%H A063841 Vladeta Jovovic, <a href="a063843.rtf">Formulae for the number T(n,k) 
               of n-multigraphs on k nodes</a>
%e A063841 Table begins
%e A063841 1 1 1 1 ...
%e A063841 1 2 3 4 ...
%e A063841 1 4 10 20 ...
%e A063841 1 11 66 276 ...
%Y A063841 Rows and columns give A000088, A004102, A053400, A053420, A053421, A063842, 
               A063843.
%Y A063841 Sequence in context: A122175 A073165 A137153 this_sequence A137596 A111669 
               A124834
%Y A063841 Adjacent sequences: A063838 A063839 A063840 this_sequence A063842 A063843 
               A063844
%K A063841 nonn,nice,tabl
%O A063841 0,5
%A A063841 N. J. A. Sloane (njas(AT)research.att.com), Aug 25 2001
%E A063841 More terms from Vladeta Jovovic (vladeta(AT)eunet.rs), Sep 03 2001

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