A020764 Decimal expansion of 1/sqrt(7).

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

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn
• cons

Comments

1/sqrt(7) = 0.377964473009227227214516536234180060815751311868921454338333494171... - Vladimir Joseph Stephan Orlovsky, May 27 2010

Links

• Ivan Panchenko, Table of n, a(n) for n = 0..1000
• Index entries for algebraic numbers, degree 2.

Crossrefs

Cf. A010465.

Programs

Mathematica

RealDigits[N[1/Sqrt[7],200]] (* Vladimir Joseph Stephan Orlovsky, May 27 2010 *)
realDigitsRecip[Sqrt[7]] (* The realDigitsRecip program is at A021200 *) (* Harvey P. Dale, Sep 29 2024 *)

Formula

Equals 1/A010465.