A176317 Decimal expansion of (5+sqrt(35))/2.

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

Offset: 1

Author

Klaus Brockhaus, Apr 15 2010

Keywords

• cons
• nonn

Comments

Continued fraction expansion of (5+sqrt(35))/2 is A010695.

Examples

			(5+sqrt(35))/2 = 5.45803989154980802128...
		

Links

• G. C. Greubel, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A010490 (decimal expansion of sqrt(35)), A010695 (repeat 5, 2).

Programs

Magma

SetDefaultRealField(RealField(120)); (5 + Sqrt(35))/2; // G. C. Greubel, Nov 26 2019

Maple

evalf( (5 + sqrt(35))/2, 120); # G. C. Greubel, Nov 26 2019

Mathematica

RealDigits[(5+Sqrt[35])/2,10,120][[1]] (* Harvey P. Dale, Sep 21 2012 *)

PARI

default(realprecision, 120); (5 + sqrt(35))/2 \\ G. C. Greubel, Nov 26 2019

Sage

numerical_approx((5 + sqrt(35))/2, digits=120) # G. C. Greubel, Nov 26 2019