A176318 - OEIS

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A176318

Decimal expansion of (15 + sqrt(285))/6.

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

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OFFSET

1,1

COMMENTS

Continued fraction expansion of (15+sqrt(285))/6 is A010703 preceded by 5.

LINKS

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

EXAMPLE

(15+sqrt(285))/6 = 5.31365716935568869718...

MAPLE

evalf( (15+sqrt(285))/6, 120); # G. C. Greubel, Nov 26 2019

MATHEMATICA

RealDigits[(15+Sqrt[285])/6, 10, 120][[1]] (* Harvey P. Dale, May 07 2017 *)

PROG

(PARI) default(realprecision, 120); (15+sqrt(285))/6 \\ G. C. Greubel, Nov 26 2019

(Magma) SetDefaultRealField(RealField(120)); (15 + Sqrt(285))/6; // G. C. Greubel, Nov 26 2019

(Sage) numerical_approx((15+sqrt(285))/6, digits=120) # G. C. Greubel, Nov 26 2019

CROSSREFS

Cf. A176104 (decimal expansion of sqrt(285)), A010703 (repeat 3, 5).

Sequence in context: A279903 A309446 A242439 * A190406 A021657 A154180

Adjacent sequences: A176315 A176316 A176317 * A176319 A176320 A176321

KEYWORD

cons,nonn

AUTHOR

Klaus Brockhaus, Apr 15 2010

STATUS

approved