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Search: id:A000083
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A000083 Number of mixed Husimi trees with n nodes; or polygonal cacti with bridges.
(Formerly M1191 N0461)
+0
12
1, 1, 1, 2, 4, 9, 23, 63, 188, 596, 1979, 6804, 24118, 87379, 322652, 1209808, 4596158, 17657037, 68497898, 268006183, 1056597059, 4193905901, 16748682185, 67258011248, 271452424286, 1100632738565, 4481533246014 (list; graph; listen)
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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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