OFFSET
1,2
COMMENTS
This sequence and A007064 are very similar - this can be seen if the terms equal to 4 are aligned. - Thomas Baruchel, Nov 04 2003
MATHEMATICA
Floor[GoldenRatio^2 Range[70]]-3 (* Harvey P. Dale, May 15 2014 *)
PROG
(PARI) a(n)=(3+sqrt(5))*n\2 - 3 \\ Charles R Greathouse IV, Jan 23 2015
CROSSREFS
KEYWORD
sign
AUTHOR
N. J. A. Sloane, Nov 24 2000
STATUS
approved