A010483 Decimal expansion of square root of 28.

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

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• cons
• easy

Comments

Continued fraction expansion is 5 followed by {3, 2, 3, 10} repeated. - Harry J. Smith, Jun 04 2009

Examples

			5.2915026221291811810032315072785208514205183661649003607366689184... - _Harry J. Smith_, Jun 04 2009
		

Links

• Harry J. Smith, Table of n, a(n) for n = 1..20000
• John W. Layman, The Hankel Transform and Some of its Properties, J. Integer Sequences, 4 (2001), #01.1.5.
• Index entries for algebraic numbers, degree 2.

Crossrefs

Cf. A040022 Continued fraction. - Harry J. Smith, Jun 04 2009

Programs

Mathematica

RealDigits[N[Sqrt[28], 200]][[1]] (* Vladimir Joseph Stephan Orlovsky, Feb 22 2011 *)

PARI

{ default(realprecision, 20080); x=sqrt(28); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b010483.txt", n, " ", d)); } \\ Harry J. Smith, Jun 04 2009

Formula

Equals 2*A010465. - R. J. Mathar, Jan 14 2021