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A343947 Surface area to volume ratio of a right prism with unit height and whose base is a regular n-gon with side length 1 (rounded to the nearest integer). 0
9, 6, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET
3,1
LINKS
FORMULA
a(n) = round((4 + 2*cot(Pi/n))/cot(Pi/n)).
MATHEMATICA
Table[Round[(4 + 2 Cot[Pi/n])/Cot[Pi/n]], {n, 3, 100}]
CROSSREFS
Sequence in context: A196772 A225406 A347330 * A367709 A247040 A019942
KEYWORD
nonn
AUTHOR
Wesley Ivan Hurt, May 04 2021
STATUS
approved

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Last modified June 16 11:09 EDT 2024. Contains 373429 sequences. (Running on oeis4.)