%I A139629
%S A139629 1,2,6,17
%N A139629 Row sums of A139624, number of connected directed multigraphs with loops 
               and no vertex of degree 0, with n arcs, which are transitive (the 
               existence of a path between two points implies the existence of an 
               arc between those two points).
%Y A139629 Cf. A139628, A139630.
%Y A139629 Sequence in context: A147923 A144690 A118305 this_sequence A057497 A063627 
               A069014
%Y A139629 Adjacent sequences: A139626 A139627 A139628 this_sequence A139630 A139631 
               A139632
%K A139629 more,nonn
%O A139629 0,2
%A A139629 Benoit Jubin (benoit_jubin(AT)yahoo.fr), May 01 2008