cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A253583 Decimal expansion of cube root of 2 multiplied by square root of 3.

Original entry on oeis.org

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

Views

Author

Alonso del Arte, Jan 04 2015

Keywords

Comments

Multiplied by i or -i, imaginary part of either complex cube root of 16.
2^(1/3) sqrt(3) = distance between the critical points of xy(x+y)=1. - Clark Kimberling, Oct 05 2020

Examples

			2.18224727194344280712014522837961776265174667748060188140728214647356...
		

Crossrefs

Programs

  • Mathematica
    RealDigits[2^(1/3) Sqrt[3], 10, 100][[1]]
  • PARI
    sqrtn(2, 3)*sqrt(3) \\ Michel Marcus, Oct 18 2016

Formula

(-2^(1/3) + 2^(1/3)sqrt(-3))^3 = 16.
Equals A002580 * A002194. - Omar E. Pol, Jan 04 2015