A010505 Decimal expansion of square root of 52.

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

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• cons

Comments

Continued fraction expansion is 7 followed by {4, 1, 2, 1, 4, 14} repeated. - Harry J. Smith, Jun 06 2009

Examples

			7.211102550927978586238442534940991892502593147690492425420906112454333...
		

Links

• Harry J. Smith, Table of n, a(n) for n = 1..20000
• Index entries for algebraic numbers, degree 2.

Crossrefs

Cf. A010138 Continued fraction. - Harry J. Smith, Jun 06 2009

Programs

Mathematica

RealDigits[N[Sqrt[52],200]][[1]] (* Vladimir Joseph Stephan Orlovsky, Feb 24 2011 *)

PARI

{ default(realprecision, 20080); x=sqrt(52); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b010505.txt", n, " ", d)); } \\ Harry J. Smith, Jun 06 2009