A020825 Decimal expansion of 1/sqrt(68).

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

Offset

0,2

Links

Ivan Panchenko, Table of n, a(n) for n = 0..1000

Index entries for algebraic numbers, degree 2.

Formula

A020774 divided by 2. - R. J. Mathar, Aug 28 2013

Example

0.121267812...

Mathematica

RealDigits[1/Sqrt[68], 10, 120][[1]] (* Harvey P. Dale, May 02 2011 *)

Prog

(PARI) 1/sqrt(68) \\ Charles R Greathouse IV, May 18 2026

Crossrefs

Cf. A020774.

Sequence in context: A074727 A059587 A070236 * A383752 A259992 A110422

Adjacent sequences: A020822 A020823 A020824 * A020826 A020827 A020828

Keyword

nonn,cons

Author

N. J. A. Sloane

Status

approved