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nhaehnle
on Nov 24, 2017
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The sequence 1 1 ∞ 5 6 3 3 3
Yes. The "n-tetrahedron" is usually called the simplex, and the "n-octahedron" is usually called the cross-polytope.
grkvlt
on Nov 24, 2017
[–]
And the "n-cube" is the "measure-polytope" because you can use squares to measure 2-space, cubes to measure 3-space, hypercubes for 4-space and so on...
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