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

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

1,1

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

Links

Chai Wah Wu, Table of n, a(n) for n = 1..10000

Formula

(-2^(1/3) + 2^(1/3)sqrt(-3))^3 = 16.

Equals A002580 * A002194. - Omar E. Pol, Jan 04 2015

Example

2.18224727194344280712014522837961776265174667748060188140728214647356...

Mathematica

RealDigits[2^(1/3) Sqrt[3], 10, 100][[1]]

Prog

(PARI) sqrtn(2, 3)*sqrt(3) \\ Michel Marcus, Oct 18 2016

Crossrefs

Cf. A002194, A002580.

Sequence in context: A114706 A046740 A317932 * A130562 A363894 A152250

Adjacent sequences: A253580 A253581 A253582 * A253584 A253585 A253586

Keyword

nonn,cons,easy

Author

Alonso del Arte, Jan 04 2015

Status

approved