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A135340
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Number of labeled non-planar projective-planar 2-connected K_{3,3}-free homeomorphically irreducible graphs with n vertices.
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2
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1, 0, 420, 36960, 3651480, 453448800, 67528553400, 11697130922400, 2306595939347700, 509359060543132800, 124356566550728011500, 33226132945543622884800, 9635384706205021006042800
(list; graph; refs; listen; history; internal format)
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