A298745 Decimal expansion of (1/2)*(1 + sqrt(5 + 4*sqrt(3))).

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

Offset

1,1

Comments

Positive zero of x^2 - x - 1 - sqrt(3).

Links

Clark Kimberling, Table of n, a(n) for n = 1..10000 [a(10000) corrected by Georg Fischer, Apr 03 2020]

Example

2.2268615484655616402...

Mathematica

r = (1/2)*(1 + Sqrt[5 + 4 Sqrt[3]])
RealDigits[N[r, 100], 10][[1]] (* A298745 *)

Crossrefs

Cf. A298743, A298744.

Sequence in context: A194676 A151694 A361424 * A323860 A121698 A087482

Adjacent sequences: A298742 A298743 A298744 * A298746 A298747 A298748

Keyword

nonn,easy,cons

Author

Clark Kimberling, Feb 13 2018

Status

approved