A171983 Beatty sequence for sqrt(13).

3, 7, 10, 14, 18, 21, 25, 28, 32, 36, 39, 43, 46, 50, 54, 57, 61, 64, 68, 72, 75, 79, 82, 86, 90, 93, 97, 100, 104, 108, 111, 115, 118, 122, 126, 129, 133, 137, 140, 144, 147, 151, 155, 158, 162, 165, 169, 173, 176, 180, 183, 187, 191, 194, 198, 201, 205

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Formula

a(n) = floor(n*sqrt(13)). - Jon E. Schoenfield, Jun 18 2010

Mathematica

f[n_]: = Floor[n Sqrt[13]]; Array[f, 80, 1] (* Vincenzo Librandi, Aug 01 2013 *)

Prog

(Magma) [Floor(n*Sqrt(13)): n in [1..80]]; // Vincenzo Librandi, Aug 01 2013

Crossrefs

Cf. A010470.

Sequence in context: A322533 A189999 A310188 * A003231 A189460 A172323

Adjacent sequences: A171980 A171981 A171982 * A171984 A171985 A171986

Keyword

nonn,easy

Author

Vincenzo Librandi, Jan 21 2010

Status

approved