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A172266
a(n) = floor(n*(sqrt(5)-sqrt(2))).
13
0, 0, 1, 2, 3, 4, 4, 5, 6, 7, 8, 9, 9, 10, 11, 12, 13, 13, 14, 15, 16, 17, 18, 18, 19, 20, 21, 22, 23, 23, 24, 25, 26, 27, 27, 28, 29, 30, 31, 32, 32, 33, 34, 35, 36, 36, 37, 38, 39, 40, 41, 41, 42, 43, 44, 45, 46, 46, 47, 48, 49, 50, 50, 51, 52, 53, 54, 55, 55, 56, 57, 58, 59, 59
OFFSET
0,4
LINKS
MATHEMATICA
With[{c = Sqrt[5] - Sqrt[2]}, Floor[c Range[0, 80]]] (* Vincenzo Librandi, Aug 01 2013 *)
PROG
(Magma) [Floor(n*(Sqrt(5)-Sqrt(2))): n in [0..80]]; // Vincenzo Librandi, Aug 01 2013
(PARI) a(n)=(sqrt(5)-sqrt(2))*n\1 \\ Charles R Greathouse IV, Sep 02 2015
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Jan 30 2010
STATUS
approved