A020807 Decimal expansion of 1/sqrt(50).

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

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn
• cons
• easy

Examples

			1/sqrt(50) = 0.14142135623730950488016887242...
		

Links

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

Crossrefs

Cf. A002193.

Programs

Mathematica

RealDigits[1/Sqrt[50], 10, 100][[1]] (* Alonso del Arte, Feb 01 2015 *)

PARI

1/sqrt(50) \\ Stefano Spezia, Jul 29 2025

Formula

1/sqrt(50) = sqrt(2)/10. - Alonso del Arte, Feb 01 2015