OFFSET
0,2
COMMENTS
Two faces are connected if they share an edge.
These are "free" polyforms because both rotations and reflections are allowed.
The rhombicuboctahedron is the polyhedral dual of the deltoidal icositetrahedron.
LINKS
Peter Kagey, Illustration of a(1)-a(3).
Wikipedia, Rhombicuboctahedron
EXAMPLE
a(1) = 3 because the rhombicuboctahedron is not face-transitive but has three distinct types of faces: triangular faces, square faces that are connected to a triangular face, and square faces that are not connected to a triangular face.
CROSSREFS
KEYWORD
nonn,fini,full
AUTHOR
Peter Kagey, May 18 2025
EXTENSIONS
a(14)-a(26) from Bert Dobbelaere, May 22 2025
STATUS
approved
