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A081621 Number of n-node triangulations of the sphere with minimal degree 5. +0
4
0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 3, 4, 12, 23, 73, 192, 651, 2070, 7290, 25381, 91441, 329824, 1204737, 4412031, 16248772, 59995535, 222231424, 825028656, 3069993552, 11446245342, 42758608761, 160012226334, 599822851579, 2252137171764, 8469193859271 (list; graph; listen)
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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.


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