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A010590 Decimal expansion of cube root of 18. 3
2, 6, 2, 0, 7, 4, 1, 3, 9, 4, 2, 0, 8, 8, 9, 6, 6, 0, 7, 1, 4, 1, 6, 6, 1, 2, 8, 0, 4, 4, 1, 9, 9, 6, 2, 7, 0, 2, 3, 9, 4, 2, 7, 6, 4, 5, 7, 2, 3, 6, 3, 1, 7, 2, 5, 1, 0, 2, 7, 7, 3, 8, 0, 5, 7, 2, 8, 6, 9, 9, 8, 1, 9, 1, 9, 6, 0, 4, 2, 1, 0, 8, 8, 2, 8, 4, 5, 5, 8, 2, 5, 9, 8, 9, 0, 7, 3, 5, 9 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..5000

FORMULA

sqrt(3*sqrt(2*sqrt(3*sqrt(2*sqrt(3*sqrt(2)...))))) = 18^(1/3). - Zak Seidov, Dec 19 2009

EXAMPLE

2.62074139420889660714166128044199627023942764572363172510277380572869981...

MAPLE

evalf[100](root(18, 3)); # Muniru A Asiru, Feb 10 2019

MATHEMATICA

RealDigits[N[18^(1/3), 200]][[1]] (* Vladimir Joseph Stephan Orlovsky, Feb 06 2012 *)

PROG

(PARI) sqrtn(18, 3) \\ Charles R Greathouse IV, Apr 14 2014

CROSSREFS

Cf. A010248 (continued fraction).

Sequence in context: A134301 A168294 A004544 * A049061 A298782 A082516

Adjacent sequences:  A010587 A010588 A010589 * A010591 A010592 A010593

KEYWORD

nonn,cons

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified February 28 14:16 EST 2021. Contains 341707 sequences. (Running on oeis4.)