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A134944
Decimal expansion of (1 + sqrt(5))/8, the golden ratio divided by 4.
4
4, 0, 4, 5, 0, 8, 4, 9, 7, 1, 8, 7, 4, 7, 3, 7, 1, 2, 0, 5, 1, 1, 4, 6, 7, 0, 8, 5, 9, 1, 4, 0, 9, 5, 2, 9, 4, 3, 0, 0, 7, 7, 2, 9, 4, 9, 5, 1, 4, 4, 0, 7, 1, 5, 5, 3, 3, 8, 6, 2, 1, 5, 5, 6, 7, 6, 3, 1, 5, 1, 1, 5, 7, 0, 4, 7, 2, 5, 6, 1, 2, 4, 2, 6, 8, 0
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
Sequence in context: A258849 A258859 A258860 * A088375 A217220 A361620
KEYWORD
cons,nonn,easy
AUTHOR
Omar E. Pol, Nov 15 2007
EXTENSIONS
Edited by N. J. A. Sloane, Apr 28 2024
STATUS
approved