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%I A129620
%S A129620 1,1,0,1,1,0,1,2,1,0,1,2,5,1,0,1,2,8,9,1,0,1,2,8,24,17,1,0,1,2,8,32
%N A129620 Table read by antidiagonals: T(n,k) is the number of connected directed 
               multigraphs with loops with n arcs and k vertices.
%C A129620 Partial sums of the rows of A139621, i.e., T(n,k) = sum(T139621(n,p),
               p=0..k).
%C A129620 T(n,2) = T138107(n,2) - floor(n/2).
%C A129620 If k >= n+1, T(n,k) = A137975(n).
%Y A129620 Cf. A138107.
%Y A129620 Sequence in context: A114503 A103528 A138352 this_sequence A074766 A138107 
               A089631
%Y A129620 Adjacent sequences: A129617 A129618 A129619 this_sequence A129621 A129622 
               A129623
%K A129620 nonn,tabl
%O A129620 0,8
%A A129620 Benoit Jubin (benoit_jubin(AT)yahoo.fr), May 06 2008

    
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Last modified December 5 20:25 EST 2009. Contains 170428 sequences.


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