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Search: id:A001572
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A001572 Related to series-parallel networks.
(Formerly M2500 N0989)
+0
3
1, 1, 1, 1, 3, 5, 17, 41, 127, 365, 1119, 3413, 10685, 33561, 106827, 342129, 1104347, 3584649, 11701369, 38374065, 126395259, 417908329, 1386618307, 4615388353, 15407188529, 51569669429, 173033992311, 581905285089, 1961034571967 (list; graph; listen)
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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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