A010504 Decimal expansion of square root of 51.

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

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• cons

Comments

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

Examples

			7.141428428542849997999399811367265278766171159902733833208430882765820...
		

Links

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

Crossrefs

Cf. A040043 (continued fraction).

Programs

Maple

Digits:=100; evalf(sqrt(51)); # Wesley Ivan Hurt, Mar 04 2014

Mathematica

RealDigits[N[Sqrt[51],200]][[1]] (* Vladimir Joseph Stephan Orlovsky, Feb 24 2011 *)

PARI

{ default(realprecision, 20080); x=sqrt(51); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b010504.txt", n, " ", d)); } \\ Harry J. Smith, Jun 06 2009

Formula

Equals A002194*A010473. - R. J. Mathar, Jun 08 2025