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Encyclopedia of Combinatorial Polytope Sequences



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Pterahedron

(0, 5, 2, 6)

Pterahedra P_t [L. Berry]
fan-graph-associahedra [arxiv] (S. Devadoss)
Dimensions:
0, 1, 2, 3, ... n-1
Number of Vertices in nth polytope:
1, 2, 6, 22, 94, 464, ... Catalan transform of the factorials [ OEIS ?]
Number of Facets:
0, 2, 6, 13, 25, 46, ... n(n + 1)/2+ 2^n - 1. [ OEIS ?][see: i]
f-vectors:
1, 2, 1, 6, 6, 1, 22, 33, 13, 1, 94, ... [ OEIS ?]
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