A276272 Number of polytets with n cells, distinguishing mirror images.

1, 1, 1, 4, 10

Offset: 1

Author

George Sicherman, Aug 26 2016

Keywords

• nonn
• hard
• more

Comments

A polytet or polytetrahedron is a solid formed by joining platonic tetrahedra face to face.

Examples

			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.
		

Links

• G. L. Sicherman, Catalogue of Polytets

Crossrefs

Cf. A119602 (number of polytetrahedra allowing edge connections as well as face connections), A038168.