A176324 - OEIS

A176324

Decimal expansion of (15+7*sqrt(5))/6.

5, 1, 0, 8, 7, 4, 5, 9, 7, 3, 7, 4, 9, 7, 5, 4, 6, 4, 5, 8, 1, 0, 7, 0, 2, 6, 1, 3, 5, 1, 9, 8, 2, 2, 2, 7, 4, 6, 8, 0, 7, 2, 1, 4, 1, 9, 5, 4, 6, 7, 8, 0, 0, 1, 1, 6, 4, 9, 3, 8, 0, 1, 1, 9, 6, 4, 5, 6, 0, 7, 7, 4, 6, 5, 7, 7, 4, 3, 9, 0, 4, 9, 3, 1, 6, 8, 1, 6, 8, 0, 9, 7, 7, 5, 2, 4, 5, 9, 8, 7, 4, 6, 4, 4, 2

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OFFSET

1,1

COMMENTS

Continued fraction expansion of (15+7*sqrt(5))/6 is A010720.

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..1000

EXAMPLE

5.10874597374975464581...

MAPLE

evalf( (15+7*sqrt(5))/6, 100); # G. C. Greubel, Dec 05 2019

MATHEMATICA

RealDigits[(15+7Sqrt[5])/6, 10, 120][[1]] (* Harvey P. Dale, Apr 18 2011 *)

PROG

(PARI) default(realprecision, 100); (15+7*sqrt(5))/6 \\ G. C. Greubel, Dec 05 2019

(Magma) SetDefaultRealField(RealField(100)); (15+7*Sqrt(5))/6; // G. C. Greubel, Dec 05 2019

(Sage) numerical_approx((15+7*sqrt(5))/6, digits=100) # G. C. Greubel, Dec 05 2019

CROSSREFS

Cf. A002163 (decimal expansion of sqrt(5)), A010720 (repeat 5, 9).

Sequence in context: A143148 A198541 A200420 * A081817 A361550 A123260

Adjacent sequences: A176321 A176322 A176323 * A176325 A176326 A176327

KEYWORD

cons,nonn

AUTHOR

Klaus Brockhaus, Apr 15 2010

STATUS

approved