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A058784
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Number of n-rowed binary matrices with all row sums 5, up to row and column permutation; bipartite graphs with all nodes of degree 5 in a distinguished bipartite n-block, up to isomorphism.
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9
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1, 1, 6, 50, 1062, 56712, 7295812, 1817321457, 750572034647, 467477187494249, 413492386704135759, 498000976932085045800, 791133947048635010571251, 1616618616930983136958492360, 4162734189568898641317813946712, 13276910075946265356264268787123401
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OFFSET
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0,3
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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