Number of n-node triangulations of sphere in which every node has gdegree >= 4.
0, 0, 1, 1, 2, 5, 12, 34, 130, 525, 2472, 12400, 65619, 357504, 1992985, 11284042
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Fri Oct 29 05:35:16 CEST 2010 [seqfan] Implementing first 500 sequences in Java