A229760 Decimal expansion of 25 - 10*sqrt(5).

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

Offset

1,1

Comments

Apart from the first digit the same as A187799.

Links

Ivan Panchenko, Table of n, a(n) for n = 1..1000

Index entries for algebraic numbers, degree 2.

Formula

Minimal polynomial x^2-50*x+125. - R. J. Mathar, Jun 03 2026

Example

2.639320225002103035908263312687237645593816403884742757291027545894790...

Mathematica

RealDigits[25 - Sqrt@ 500, 10, 111][[1]] (* Robert G. Wilson v, Oct 01 2013 *)

Prog

(PARI) 25-sqrt(500) \\ Charles R Greathouse IV, Oct 01 2013

Crossrefs

Cf. A187426, A187798, A094874.

Sequence in context: A016637 A341942 A133917 * A390876 A353592 A078340

Adjacent sequences: A229757 A229758 A229759 * A229761 A229762 A229763

Keyword

cons,nonn

Author

Joost Gielen, Sep 28 2013

Status

approved