A172337 Floor(n*(sqrt(11)+sqrt(7))).

0, 5, 11, 17, 23, 29, 35, 41, 47, 53, 59, 65, 71, 77, 83, 89, 95, 101, 107, 113, 119, 125, 131, 137, 143, 149, 155, 160, 166, 172, 178, 184, 190, 196, 202, 208, 214, 220, 226, 232, 238, 244, 250, 256, 262, 268, 274, 280, 286, 292, 298, 304, 310, 316, 321, 327

Offset

0,2

Comments

a(n) = integer part of n*(sqrt(11)+sqrt(7)), where the constant is the largest root of x^4 -36*x^2 +16.

Links

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

Mathematica

With[{c = Sqrt[11] + Sqrt[7]}, Floor[c Range[0, 70]]] (* Vincenzo Librandi, Aug 01 2013 *)

Prog

(Magma) [ Floor(n*(Sqrt(11)+Sqrt(7))): n in [0..60] ];

Crossrefs

Cf. A110117, A172323-A172332, A172334, A172336-A172338.

Sequence in context: A314253 A314254 A059538 * A101328 A016969 A358528

Adjacent sequences: A172334 A172335 A172336 * A172338 A172339 A172340

Keyword

nonn,less,easy

Author

Vincenzo Librandi, Feb 01 2010

Status

approved