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Encyclopedia of Combinatorial Polytope Sequences



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2-associahedron for sequence (0,n,0)

(0, 6, 0, 8) conj. polytope

(0,n,0) 2-associahedra W_0n0 [arxiv](N. Bottman)
Faces are 2-tubings based on the sequence 0,n,0

Dimensions:
0, 1, 2, 3, ... n
Number of Vertices in nth polytope:
1, 2, 6, 24, 108, 520, 2620, 13648, 72956, ... OPEN [ OEIS ?]
Number of Facets:
0, 2, 6, 14, 29, 57, 110, 212, ... OPEN [ OEIS ?]
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