A020818 Decimal expansion of 1/sqrt(61).

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

Offset

0,2

Links

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

Index entries for algebraic numbers, degree 2.

Mathematica

RealDigits[N[1/Sqrt[61], 200]][[1]] (* Vladimir Joseph Stephan Orlovsky, Jun 12 2011 *)

Prog

(PARI) 1/sqrt(61) \\ Charles R Greathouse IV, May 18 2026

Crossrefs

Sequence in context: A378977 A369499 A016593 * A197252 A244122 A021785

Adjacent sequences: A020815 A020816 A020817 * A020819 A020820 A020821

Keyword

nonn,cons

Author

N. J. A. Sloane

Extensions

Mathematica program fixed by Harvey P. Dale, May 08 2018

Status

approved