- 27554s\right)}
Icosidigonal prisms are a type of
cylinder with an
icosidigon as a base, with 24 faces, 66 edges, and 44 vertices.
Regular icosidigonal prisms...
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Icosihenagonal 1/2(19n2 − 17n) 1 21 60 118 195 291 406 540 693 865 A051873 22
Icosidigonal 1/2(20n2 − 18n) 1 22 63 124 205 306 427 568 729 910 A051874 23 Icositrigonal...