A176515 Decimal expansion of (9+3*sqrt(11))/2.

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

Offset

1,1

Comments

Continued fraction expansion of (9+3*sqrt(11))/2 is A010699 preceded by 9.

Links

Table of n, a(n) for n=1..105.

Index entries for algebraic numbers, degree 2.

Example

9.47493718553309977367239910500603002589063281838403...

Mathematica

RealDigits[(9 + 3*Sqrt[11])/2, 10, 120][[1]] (* Amiram Eldar, Mar 23 2026 *)

Prog

(PARI) (9+3*sqrt(11))/2 \\ Charles R Greathouse IV, May 19 2026

Crossrefs

Cf. A010468 (decimal expansion of sqrt(11)), A010699 (repeat 2, 9).

Sequence in context: A011113 A389053 A021841 * A087017 A065466 A388963

Adjacent sequences: A176512 A176513 A176514 * A176516 A176517 A176518

Keyword

cons,nonn

Author

Klaus Brockhaus, Apr 23 2010

Status

approved