A010496 Decimal expansion of square root of 42.

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

Offset

1,1

Comments

Continued fraction expansion is 6 followed by {2, 12} repeated. - Harry J. Smith, Jun 05 2009

Links

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

Index entries for algebraic numbers, degree 2

Example

6.480740698407860230965967436087996657705204307058346549711354397809617....

Mathematica

RealDigits[N[Sqrt[42], 200]][[1]] (* Vladimir Joseph Stephan Orlovsky, Feb 24 2011 *)

Prog

(PARI)  default(realprecision, 20080); x=sqrt(42); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b010496.txt", n, " ", d));  \\ Harry J. Smith, Jun 05 2009

Crossrefs

Cf. A040035 (continued fraction).

Sequence in context: A070652 A195487 A073746 * A199436 A035415 A197833

Adjacent sequences: A010493 A010494 A010495 * A010497 A010498 A010499

Keyword

nonn,cons

Author

N. J. A. Sloane

Status

approved