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Search: id:A000512
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| A000512 |
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Number of equivalence classes of n X n matrices over {0,1} with rows and columns summing to 3, where equivalence is defined by row and column permutations. Isomorphism classes of bicolored cubic bipartite graphs, where isomorphism cannot exchange the colors. |
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+0 5
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| 0, 0, 1, 1, 2, 7, 16, 51, 224, 1165, 7454, 56349, 481309, 4548786
(list; graph; listen)
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