A010475 Decimal expansion of square root of 19.

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

Offset

1,1

Comments

Continued fraction expansion is 4 followed by {2, 1, 3, 1, 2, 8} repeated. - Harry J. Smith, Jun 03 2009

Links

Harry J. Smith, Table of n, a(n) for n = 1..20000

Index entries for algebraic numbers, degree 2

Example

4.358898943540673552236981983859615659137003925232444936890344138159557....

Mathematica

RealDigits[N[Sqrt[19], 200]][[1]] (* Vladimir Joseph Stephan Orlovsky, Feb 21 2011 *)

Prog

(PARI)  default(realprecision, 20080); x=sqrt(19); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b010475.txt", n, " ", d));  \\ Harry J. Smith, Jun 03 2009

Crossrefs

Cf. A010124 (continued fraction).

Sequence in context: A033546 A236360 A299323 * A256367 A242910 A200350

Adjacent sequences: A010472 A010473 A010474 * A010476 A010477 A010478

Keyword

nonn,cons

Author

N. J. A. Sloane

Status

approved