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A086677
Number of Steiner topologies on n points.
+0
2
1, 4, 31, 360, 5625, 110880, 2643795, 74035080, 2382538725, 86656878000, 3515761193175, 157425426358200, 7711961781949425, 410298436511964000, 23559634669682986875, 1452240056377167057000, 95649328231839993736125
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Maintained by
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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.
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