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A293328
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Least integer k such that k/2^n > sqrt(1/3).
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3
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1, 2, 3, 5, 10, 19, 37, 74, 148, 296, 592, 1183, 2365, 4730, 9460, 18919, 37838, 75675, 151349, 302698, 605396, 1210792, 2421583, 4843166, 9686331, 19372661, 38745321, 77490642, 154981283, 309962566, 619925132, 1239850263, 2479700525, 4959401050, 9918802099
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OFFSET
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0,2
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LINKS
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FORMULA
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a(n) = ceiling(r*2^n), where r = sqrt(1/3).
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MATHEMATICA
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z = 120; r = Sqrt[1/3];
Table[Floor[r*2^n], {n, 0, z}]; (* A293327 *)
Table[Ceiling[r*2^n], {n, 0, z}]; (* A293328 *)
Table[Round[r*2^n], {n, 0, z}]; (* A293329 *)
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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