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A298749 Decimal expansion of (1/2)(1 + sqrt(1 + 4*sqrt(5))). 4
2, 0, 7, 6, 7, 2, 6, 9, 8, 2, 5, 4, 9, 5, 4, 3, 8, 9, 4, 3, 7, 4, 4, 7, 1, 7, 2, 9, 8, 4, 5, 4, 3, 2, 3, 3, 1, 8, 2, 1, 4, 2, 6, 1, 0, 1, 4, 2, 5, 3, 3, 9, 2, 2, 9, 6, 0, 2, 8, 3, 2, 8, 4, 2, 8, 1, 8, 2, 9, 8, 7, 2, 2, 2, 5, 4, 5, 7, 1, 3, 0, 5, 4, 0, 5, 4 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Clark Kimberling, Table of n, a(n) for n = 1..10000

EXAMPLE

constant = 2.0767269825495438944... = positive zero of x^2 - x - sqrt(5).

MATHEMATICA

r = (1/2)*(1 + Sqrt[1 + 4 Sqrt[5]])

RealDigits[N[r, 100], 10][[1]];  (* A298749 *)

CROSSREFS

Cf. A275828, A298750, A298751, A298752.

Sequence in context: A104540 A178818 A113319 * A021832 A160509 A243444

Adjacent sequences:  A298746 A298747 A298748 * A298750 A298751 A298752

KEYWORD

nonn,easy,cons

AUTHOR

Clark Kimberling, Feb 13 2018

STATUS

approved

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Last modified December 7 22:50 EST 2021. Contains 349590 sequences. (Running on oeis4.)