A022839 - OEIS (original) (raw)

2, 4, 6, 8, 11, 13, 15, 17, 20, 22, 24, 26, 29, 31, 33, 35, 38, 40, 42, 44, 46, 49, 51, 53, 55, 58, 60, 62, 64, 67, 69, 71, 73, 76, 78, 80, 82, 84, 87, 89, 91, 93, 96, 98, 100, 102, 105, 107, 109, 111, 114, 116, 118, 120, 122, 125, 127, 129, 131, 134, 136

LINKS

R. L. Graham, S. Lin and C.-S. Lin, Spectra of numbers, Math. Mag. 51 (1978), 174-176.

MAPLE

a:=n->floor(n*sqrt(5)): seq(a(n), n=1..70); # Muniru A Asiru, Sep 28 2018

MATHEMATICA

With[{c=Sqrt[5]}, Floor[c*Range[70]]] (* Harvey P. Dale, Mar 19 2012 *)

PROG

(Magma) [Floor(n*Sqrt(5)): n in [1..60]]; // Vincenzo Librandi, Oct 22 2011

(PARI) vector(60, n, floor(n*sqrt(5))) \\ G. C. Greubel, Sep 28 2018

(Python)

from math import isqrt