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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 Table of n, a(n) for n=3..95. 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 Cf. A064313, A134030, A343946. Sequence in context: A196772 A225406 A347330 * A367709 A247040 A019942 Adjacent sequences: A343944 A343945 A343946 * A343948 A343949 A343950 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.)