Search: id:A138107
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%I A138107
%S A138107 1,1,0,1,1,0,1,2,1,0,1,2,6,1,0,1,2,10,10,1,0,1,2,11,31,19,1,0,1,2,11,47,
%T A138107 90,28,1,0,1,2,11,51,198,222,44,1,0,1,2,11,52,269,713,520,60,1,0,1,2,11,
%U A138107 52,291,1270,2423,1090,85,1,0,1,2,11,52,295,1596,5776,7388,2180,110,1,
               0
%N A138107 Table read by antidiagonals: T(n,k) is the number of directed multigraphs 
               with loops with n arcs and k vertices.
%C A138107 Partial sums of the rows of A136564, i.e., T(n,k) = sum(T136564(n,p),
               p=0..k).
%C A138107 T(n,0)=A000007(n), T(n,1)=A000012(n), T(n,2)= A005993(n), T(n,3)= A050927(n), 
               T(n,4)= A050929(n).
%C A138107 If k>=2n, T(n,k)=A052171(n).
%Y A138107 Sequence in context: A138352 A129620 A074766 this_sequence A089631 A129558 
               A131185
%Y A138107 Adjacent sequences: A138104 A138105 A138106 this_sequence A138108 A138109 
               A138110
%K A138107 nonn,tabl
%O A138107 0,8
%A A138107 Benoit Jubin (benoit_jubin(AT)yahoo.fr), May 03 2008
%E A138107 More terms from Vladeta Jovovic and Benoit Jubin (benoit_jubin(AT)yahoo.fr), 
               Sep 10 2008

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