A154605 Decimal expansion of 2/(4th root of 3).

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

Offset: 1

Author

Rick L. Shepherd, Jan 12 2009

Keywords

• cons
• nonn

Comments

The side length of an equilateral triangle with area 1.

Quartic number with denominator 3 and minimal polynomial 3x^4 - 16. - Charles R Greathouse IV, Jun 30 2021

Examples

			1.5196713713031850946623755013090906...
		

Crossrefs

Cf. A011002, A120011.

Programs

Mathematica

RealDigits[N[2/3^(1/4),200]][[1]] (* Vladimir Joseph Stephan Orlovsky, Feb 05 2012 *)
RealDigits[2/Surd[3,4],10,120][[1]] (* Harvey P. Dale, Mar 09 2019 *)

PARI

2/3^(1/4)

PARI

2/sqrt(sqrt(3))

Formula

A154605 = 2/A011002 = 2/(3^(1/4)).