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A005975 Number of interval graphs on n unlabeled nodes.
(Formerly M1224)
+0
2
1, 2, 4, 10, 27, 92, 369, 1807, 10344, 67659, 491347, 3894446, 33278992, 304256984, 2960093835, 30523315419, 332524557107, 3816805831381, 46048851321131, 582691924941142, 7717878059859874, 106806430860694984, 1541683193805924288, 23173865491070682522 (list; graph; listen)
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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.


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