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A276272
Number of polytets with n cells, distinguishing mirror images.
0
1, 1, 1, 4, 10
OFFSET
1,4
COMMENTS
A polytet or polytetrahedron is a solid formed by joining platonic tetrahedra face to face.
EXAMPLE
a(4) = 4 because four cells can be grouped around a common edge, or have each of three attached to the fourth, or be joined in series; and the last case has distinct mirror images.
CROSSREFS
Cf. A119602 (number of polytetrahedra allowing edge connections as well as face connections), A038168.
Sequence in context: A229338 A111443 A299118 * A331450 A051499 A333654
KEYWORD
nonn,hard,more
AUTHOR
George Sicherman, Aug 26 2016
STATUS
approved