A087477 Decimal expansion of sqrt(51)-4.

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

Offset: 1

Author

Zak Seidov, Sep 09 2003

Keywords

• easy
• nonn
• cons

Comments

A simple approximation to Pi, see also A087478.

Examples

			3.14142842854284999799939981136726527876617115990273...
		

Links

• Daniel Starodubtsev, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A000796, A010504, A087478.

Programs

Mathematica

RealDigits[Sqrt[51] - 4, 10, 120][[1]] (* Amiram Eldar, May 16 2023 *)

Formula

Equals A010504 minus 4. - R. J. Mathar, Sep 11 2008