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A172328
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a(n) = floor(n*(sqrt(11)+sqrt(3))).
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1
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0, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 106, 111, 116, 121, 126, 131, 136, 141, 146, 151, 156, 161, 166, 171, 176, 181, 186, 191, 196, 201, 206, 212, 217, 222, 227, 232, 237, 242, 247, 252
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OFFSET
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0,2
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COMMENTS
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Also integer part of n*5.0486755979..., where the constant is the largest root of x^4 -28*x^2 +64.
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LINKS
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Vincenzo Librandi, Table of n, a(n) for n = 0..1000
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MATHEMATICA
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With[{c = Sqrt[11] + Sqrt[3]}, Floor[c Range[0, 70]]] (* Vincenzo Librandi, Aug 01 2013 *)
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PROG
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(Magma) [Floor(n*(Sqrt(11)+Sqrt(3))): n in [0..60]];
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CROSSREFS
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Cf. A110117, A172323-A172332, A172334, A172336-A172338.
Sequence in context: A008706 A172336 A140233 * A330003 A061821 A085128
Adjacent sequences: A172325 A172326 A172327 * A172329 A172330 A172331
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KEYWORD
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nonn,easy,less
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AUTHOR
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Vincenzo Librandi, Feb 01 2010
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STATUS
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approved
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