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Search: id:A139630
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| A139630 |
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Row sums of A139625, number of strongly 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). |
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+0
5
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| 1, 1, 1, 1, 2, 3, 7, 11, 20, 30, 47, 71, 117, 201, 369, 703, 1323, 2463, 4446
(list; graph; listen)
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