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A053526
Number of bipartite graphs with 3 edges on nodes {1..n}.
+0
4
0, 0, 0, 0, 16, 110, 435, 1295, 3220, 7056, 14070, 26070, 45540, 75790, 121121, 187005, 280280, 409360, 584460, 817836, 1124040, 1520190, 2026255, 2665355, 3464076, 4452800, 5666050, 7142850, 8927100, 11067966, 13620285
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified December 13 23:45 EST 2009. Contains 170824 sequences.
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