A160331 Decimal expansion of 2^(1/3) + sqrt(3).

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

Offset

1,1

Links

Harry J. Smith, Table of n, a(n) for n = 1..20000

Index entries for algebraic numbers, degree 6.

Formula

Equals 2^(1/3) + 3^(1/2).

Minimal polynomial: x^6 - 9*x^4 - 4*x^3 + 27*x^2 - 36*x - 23. - Amiram Eldar, May 25 2026

Example

2.99197185746375045829465694878410071751305671851188860813778209160723...

Mathematica

RealDigits[Surd[2, 3]+Sqrt[3], 10, 120][[1]] (* Harvey P. Dale, Jan 18 2013 *)

Prog

(PARI) default(realprecision, 20080); x=2^(1/3)+3^(1/2); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b160331.txt", n, " ", d))

Crossrefs

Cf. A039923 (continued fraction).

Sequence in context: A336043 A340723 A201765 * A019702 A201899 A201894

Adjacent sequences: A160328 A160329 A160330 * A160332 A160333 A160334

Keyword

nonn,easy,cons

Author

Harry J. Smith, May 09 2009

Status

approved