A172334 Floor(n*(sqrt(13)+sqrt(3))).

0, 5, 10, 16, 21, 26, 32, 37, 42, 48, 53, 58, 64, 69, 74, 80, 85, 90, 96, 101, 106, 112, 117, 122, 128, 133, 138, 144, 149, 154, 160, 165, 170, 176, 181, 186, 192, 197, 202, 208, 213, 218, 224, 229, 234, 240, 245, 250, 256, 261, 266

Offset

0,2

Comments

Also integer part of n*5.3376020830..., where the constant is the largest root of x^4 -32*x^2 +100.

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

Mathematica

With[{c = Sqrt[13] + Sqrt[3]}, Table[Floor[c n], {n, 0, 50}]] (* Harvey P. Dale, Apr 25 2011 *)

Prog

(Magma) [ Floor(n*(Sqrt(13)+Sqrt(3))): n in [0..60] ];

Crossrefs

Cf. A110117, A172323-A172332, A172336-A172338.

Sequence in context: A313874 A313875 A313876 * A313877 A313878 A313879

Adjacent sequences: A172331 A172332 A172333 * A172335 A172336 A172337

Keyword

nonn,less,easy

Author

Vincenzo Librandi, Feb 01 2010

Status

approved