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A172329
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a(n) = floor(n*(sqrt(11) + sqrt(2))).
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1
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0, 4, 9, 14, 18, 23, 28, 33, 37, 42, 47, 52, 56, 61, 66, 70, 75, 80, 85, 89, 94, 99, 104, 108, 113, 118, 123, 127, 132, 137, 141, 146, 151, 156, 160, 165, 170, 175, 179, 184, 189, 193, 198, 203, 208, 212, 217, 222, 227, 231, 236
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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*4.7308383527..., where the constant is the largest root of x^4 - 26*x^2 + 81.
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LINKS
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MAPLE
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a:=n->floor(n*(sqrt(11)+sqrt(2))): seq(a(n), n=0..60); # Muniru A Asiru, Sep 28 2018
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MATHEMATICA
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With[{c=Sqrt[11]+Sqrt[2]}, Table[Floor[c n], {n, 0, 50}]] (* Harvey P. Dale, Mar 12 2011 *)
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PROG
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(Magma) [Floor(n*(Sqrt(11)+Sqrt(2))): n in [0..60]];
(PARI) vector(60, n, n--; floor(n*(sqrt(11)+sqrt(2)))) \\ G. C. Greubel, Sep 28 2018
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CROSSREFS
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KEYWORD
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nonn,easy,less
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AUTHOR
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STATUS
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approved
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