OFFSET
0,1
COMMENTS
Area of quadrilateral with side lengths (sqrt(5)+1)/4, (sqrt(5)-1)/4, 1/2, 1. [And what angles? - N. J. A. Sloane, Apr 28 2024]
EXAMPLE
0.404508497187...
MAPLE
Digits:=100: evalf((1+sqrt(5))/8); # Wesley Ivan Hurt, Sep 08 2014
MATHEMATICA
RealDigits[(1 + Sqrt[5])/8, 10, 100][[1]] (* Wesley Ivan Hurt, Sep 08 2014 *)
PROG
(PARI) a(n)=floor(10^n*(1+sqrt(5))/8)%10 \\ Edward Jiang, Sep 07 2014
CROSSREFS
KEYWORD
AUTHOR
Omar E. Pol, Nov 15 2007
EXTENSIONS
Edited by N. J. A. Sloane, Apr 28 2024
STATUS
approved