A383825 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A383825

Number of polyforms with n cells on the faces of a triakis tetrahedron up to rotation and reflection.

3

1, 1, 2, 2, 4, 4, 9, 9, 14, 10, 5, 1, 1

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,3

COMMENTS

These are "free" polyforms.

The triakis tetrahedron is the polyhedral dual of the truncated tetrahedron.

LINKS

Table of n, a(n) for n=0..12.

Peter Kagey, Illustration of a(0)-a(4).

Wikipedia, Triakis tetrahedron

CROSSREFS

Cf. A383826 (one-sided).

Octahedral symmetry: A333333 (row 3), A383800, A383802, A383804, A383806.

Icosahedral symmetry: A030135, A030136, A340635, A383490, A383492, A383494, A383496.

Sequence in context: A292941 A074818 A322112 * A324409 A110199 A358429

Adjacent sequences: A383822 A383823 A383824 * A383826 A383827 A383828

KEYWORD

nonn,fini,full

AUTHOR

Peter Kagey, May 11 2025

STATUS

approved