A176906 Decimal expansion of (15 + sqrt(230))/5.

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

Offset

1,1

Comments

Continued fraction expansion of (15+sqrt(230))/5 is A165734.

Links

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

Index entries for algebraic numbers, degree 2.

Formula

Minimal polynomial: 5*x^2 - 30*x - 1. - Amiram Eldar, May 04 2026

Example

6.03315017762062022170273017451282862181985685580698...

Mathematica

RealDigits[3 + Sqrt[230]/5, 10, 120][[1]] (* Amiram Eldar, May 04 2026 *)

Crossrefs

Cf. A176909 (decimal expansion of sqrt(230)), A165734 (repeat 6, 30).

Sequence in context: A262697 A237421 A087014 * A293255 A355251 A094174

Adjacent sequences: A176903 A176904 A176905 * A176907 A176908 A176909

Keyword

cons,nonn

Author

Klaus Brockhaus, Apr 28 2010

Status

approved