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A135380
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Number of labeled non-planar 2-connected K_{3,3}-free toroidal irreducible graphs having n vertices.
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1
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1, 0, 420, 37520, 3656520, 454406400, 67651907400, 11713973686800, 2309360318565300, 509886615053415600, 124470953623133617500, 33253861507512510664800, 9642802738009988846098800
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OFFSET
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5,3
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REFERENCES
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A. Gagarin, G. Labelle and P. Leroux, The structure of K_{3,3}-subdivision-free toroidal graphs, Discrete Math., 307 (2007), 2993-3005.
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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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STATUS
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approved
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