A110894 Decimal expansion of error function of square root of 2.

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

Offset: 0

Author

Joost de Winter, Sep 20 2005

Keywords

• easy
• nonn
• cons

Examples

			0.9544997...
		

Links

• G. C. Greubel, Table of n, a(n) for n = 0..5000
• Wikipedia, 68-95-99.7 rule
• Wikipedia, Normal distribution
• Wikipedia, Standard deviation

Crossrefs

Cf. A178647 (1sigma), A270712 (3sigma).

Programs

Maple

erf(sqrt(2.0)) ; # R. J. Mathar, Mar 07 2016

Mathematica

RealDigits[Erf[Sqrt[2]], 10, 50][[1]] (* G. C. Greubel, Oct 19 2017 *)

Formula

Equals erf(sqrt(2)).