A083871 Decimal expansion of sqrt(355/113).

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

Offset

1,2

Comments

355/113 is an approximation to Pi, accurate to the first 7 digits. - Harvey P. Dale, Apr 22 2022

Links

Table of n, a(n) for n=1..106.

S. Ramanujan, Fig.1:Geometrical construction for sqrt(355/113)

S. Ramanujan, Squaring The Circle

J. C. Santos, Quadrature of the circle

Wikipedia, Squaring the circle

G. Xiao, Numerical Calculator, Operate on "sqrt(355/133)"

Example

1.772453926158302796091946476063677662004305549....

Mathematica

RealDigits[Sqrt[355/113], 10, 106][[1]] (* Georg Fischer, Apr 03 2020 *)

Crossrefs

Cf. A068079.

Sequence in context: A144860 A113810 A002161 * A372774 A255272 A335929

Adjacent sequences: A083868 A083869 A083870 * A083872 A083873 A083874

Keyword

nonn,cons

Author

Lekraj Beedassy, Jun 18 2003

Extensions

9 inserted behind a(17) and a(71) corrected by Georg Fischer, Apr 03 2020

Status

approved