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A094884 Decimal expansion of phi/sqrt(2), where phi = (1+sqrt(5))/2. 1
1, 1, 4, 4, 1, 2, 2, 8, 0, 5, 6, 3, 5, 3, 6, 8, 5, 9, 5, 2, 0, 0, 1, 4, 5, 5, 6, 7, 1, 6, 0, 6, 0, 4, 1, 5, 3, 0, 7, 2, 3, 0, 6, 7, 5, 3, 6, 7, 5, 5, 4, 1, 2, 2, 5, 0, 0, 8, 5, 4, 6, 1, 4, 7, 6, 9, 5, 8, 3, 1, 7, 2, 9, 2, 7, 5, 3, 3, 6, 3, 1, 5, 0, 4, 8, 6, 5, 8, 9, 1, 0, 6, 7, 6, 7, 3, 5, 4, 6 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

An algebraic number with minimal polynomial 4*x^4 - 6*x^2 + 1. - Charles R Greathouse IV, Mar 25 2014

LINKS

Ivan Panchenko, Table of n, a(n) for n = 1..1000

EXAMPLE

1.14412280563536859520...

MATHEMATICA

RealDigits[GoldenRatio/Sqrt[2], 10, 120][[1]] (* Harvey P. Dale, Feb 11 2015 *)

PROG

(PARI) sqrt(sqrt(5)+3)/2 \\ Charles R Greathouse IV, Mar 25 2014

(MAGMA) SetDefaultRealField(RealField(100)); R:= RealField(); (1+Sqrt(5) )/(2*Sqrt(2)); // G. C. Greubel, Sep 27 2018

CROSSREFS

Cf. A001622 (phi), A002193 (sqrt(2)).

Sequence in context: A128433 A089746 A225330 * A281540 A053216 A278516

Adjacent sequences:  A094881 A094882 A094883 * A094885 A094886 A094887

KEYWORD

cons,nonn

AUTHOR

N. J. A. Sloane, Jun 15 2004

STATUS

approved

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Last modified June 15 16:13 EDT 2019. Contains 324142 sequences. (Running on oeis4.)