A176530 Decimal expansion of (15+sqrt(255))/3.

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

Offset

2,3

Comments

Continued fraction expansion of (15+sqrt(255))/3 is A010708 preceded by 10.

Links

Table of n, a(n) for n=2..106.

Index entries for algebraic numbers, degree 2.

Example

10.3229064742237706663567483923268712805224499014584...

Mathematica

RealDigits[(15 + Sqrt[255])/3, 10, 120][[1]] (* Amiram Eldar, Mar 23 2026 *)

Prog

(PARI) (15+sqrt(255))/3 \\ Charles R Greathouse IV, May 19 2026

Crossrefs

Cf. A176110 (decimal expansion of sqrt(255)), A010708 (repeat 3, 10).

Sequence in context: A141456 A137445 A195422 * A011319 A177460 A091015

Adjacent sequences: A176527 A176528 A176529 * A176531 A176532 A176533

Keyword

cons,nonn

Author

Klaus Brockhaus, Apr 24 2010

Status

approved