OFFSET
1,1
COMMENTS
All terms beyond a(12) = 600 are powers of 2.
LINKS
Wikipedia, Regular Polytopes.
FORMULA
a(n) = 2^(n-3) for n >= 13.
EXAMPLE
For k >= 3, 2^k is a term because the four regular polytopes with 2^k faces are the 2^k-gon, the k-dimensional orthoplex, the 2^(k-1)-dimensional cube and the (2^k-1)-dimensional simplex. [Corrected by Jianing Song, Dec 09 2018]
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Jianing Song, Apr 02 2018
STATUS
approved