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A022853
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a(n) = integer nearest n*Pi.
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5
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0, 3, 6, 9, 13, 16, 19, 22, 25, 28, 31, 35, 38, 41, 44, 47, 50, 53, 57, 60, 63, 66, 69, 72, 75, 79, 82, 85, 88, 91, 94, 97, 101, 104, 107, 110, 113, 116, 119, 123, 126, 129, 132, 135, 138, 141, 145, 148, 151, 154, 157, 160, 163, 167, 170, 173, 176, 179
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OFFSET
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0,2
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COMMENTS
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Since n*Pi is an irrational number, all tie-breaking rounding methods yield the same integer sequence. - Artur Twarecki (numbers(AT)twarecki.ca), Dec 19 2006
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REFERENCES
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V. Shevelev, On ovals of a given function of width, Intern. Geom. School-Seminar Memory N. V. Efimov, Abrau-Durso, 1996, 73-75 (Abstracts in Russian).
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LINKS
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EXAMPLE
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a(100)=314 because round(100*Pi)=314.
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MATHEMATICA
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PROG
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(PARI) vector(100, n, n--; round(n*Pi)) \\ Altug Alkan, Nov 22 2015
(Magma) R:= RealField(10); [Round(n*Pi(R)): n in [0..60]]; // G. C. Greubel, Sep 29 2018
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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