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A063925
Number of 2-dimensional faces in the regular 4-dimensional polytopes.
6
10, 24, 32, 96, 720, 1200
OFFSET
1,1
COMMENTS
Sorted by number of 2-dimensional faces.
Also the number of edges in the regular 4-dimensional polytopes [Douglas Boffey, Aug 12 2012]
REFERENCES
H. S. M. Coxeter, Regular Polytopes, 3rd ed., Dover, NY, 1973.
FORMULA
a(n) = A063924(n)+A063926(n)-A063927(n).
EXAMPLE
a(2) = 24 since a 4D hypercube contains twenty-four faces.
CROSSREFS
KEYWORD
fini,full,nonn
AUTHOR
Henry Bottomley, Aug 15 2001
STATUS
approved