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A134973 Decimal expansion of (3 divided by golden ratio = 3/phi = 6/(1 + sqrt(5))). 2
1, 8, 5, 4, 1, 0, 1, 9, 6, 6, 2, 4, 9, 6, 8, 4, 5, 4, 4, 6, 1, 3, 7, 6, 0, 5, 0, 3, 0, 9, 6, 9, 1, 4, 3, 5, 3, 1, 6, 0, 9, 2, 7, 5, 3, 9, 4, 1, 7, 2, 8, 8, 5, 8, 6, 4, 0, 6, 3, 4, 5, 8, 6, 8, 1, 1, 5, 7, 8, 1, 3, 8, 8, 4, 5, 6, 7, 0, 7, 3, 4, 9, 1, 2, 1, 6, 2, 1, 6, 1, 2, 5, 6, 8 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..94.

J. Sondow, Evaluation of Tachiya's algebraic infinite products involving Fibonacci and Lucas numbers, Diophantine Analysis and Related Fields 2011 - AIP Conference Proceedings, vol. 1385, pp. 97-100.

FORMULA

Equals A090550 - 4. - R. J. Mathar, Oct 27 2008

Equals product_{n >=1} (1 + 1/A192222(n)). - Charles R Greathouse IV, Jun 26 2011

EXAMPLE

1.8541019662496845446137605030969143531609275394172885864063458681157...

MATHEMATICA

RealDigits[3/GoldenRatio, 10, 120][[1]] (* Harvey P. Dale, Apr 01 2018 *)

PROG

(PARI) (sqrt(5)-1)*3/2 \\ Charles R Greathouse IV, Jun 26 2011

CROSSREFS

Cf. A001622 (decimal expansion of golden ratio), A090550 (decimal expansion of solution to n/x = x-n for n = 5), A192222 (Fibonacci(2^n + 1)).

Sequence in context: A081885 A019609 A093341 * A030437 A200290 A273959

Adjacent sequences:  A134970 A134971 A134972 * A134974 A134975 A134976

KEYWORD

cons,nonn,easy

AUTHOR

Omar E. Pol, Nov 15 2007

STATUS

approved

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Last modified July 18 12:26 EDT 2018. Contains 312739 sequences. (Running on oeis4.)