A010590 Decimal expansion of cube root of 18.

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

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• cons

Examples

			2.62074139420889660714166128044199627023942764572363172510277380572869981...
		

Links

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

Crossrefs

Cf. A010248 (continued fraction).

Programs

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 *)

PARI

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

Formula

Equals sqrt(3*sqrt(2*sqrt(3*sqrt(2*sqrt(3*sqrt(2)...))))). - Zak Seidov, Dec 19 2009