The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A010465 Decimal expansion of square root of 7. 45
 2, 6, 4, 5, 7, 5, 1, 3, 1, 1, 0, 6, 4, 5, 9, 0, 5, 9, 0, 5, 0, 1, 6, 1, 5, 7, 5, 3, 6, 3, 9, 2, 6, 0, 4, 2, 5, 7, 1, 0, 2, 5, 9, 1, 8, 3, 0, 8, 2, 4, 5, 0, 1, 8, 0, 3, 6, 8, 3, 3, 4, 4, 5, 9, 2, 0, 1, 0, 6, 8, 8, 2, 3, 2, 3, 0, 2, 8, 3, 6, 2, 7, 7, 6, 0, 3, 9, 2, 8, 8, 6, 4, 7, 4, 5, 4, 3, 6, 1 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Continued fraction expansion is 2 followed by {1, 1, 1, 4} repeated. - Harry J. Smith, Jun 01 2009 The convergents to sqrt(7) are given in A041008/A041009. - Wolfdieter Lang, Nov 22 2017 LINKS Harry J. Smith, Table of n, a(n) for n = 1..20000 Jason Kimberley, Index of expansions of sqrt(d) in base b R. J. Nemiroff & J. Bonnell, The first 1 million digits of the square root of 7 Simon Plouffe, Plouffe's Inverter, sqrt(7) to 100000 digits Index entries for algebraic numbers, degree 2 EXAMPLE 2.645751311064590590501615753639260425710259183082450180368334459201... MATHEMATICA RealDigits[N[Sqrt[7], 200]][[1]] (* Vladimir Joseph Stephan Orlovsky, Feb 21 2011 *) PROG (PARI) default(realprecision, 20080); x=sqrt(7); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b010465.txt", n, " ", d)); \\ Harry J. Smith, Jun 01 2009 (Magma) SetDefaultRealField(RealField(100)); Sqrt(7); // Vincenzo Librandi, Feb 15 2020 CROSSREFS Cf. A010121 (continued fraction), A041008/A041009. Sequence in context: A021382 A356309 A182505 * A065630 A364222 A319376 Adjacent sequences: A010462 A010463 A010464 * A010466 A010467 A010468 KEYWORD nonn,cons,easy AUTHOR N. J. A. Sloane STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified November 30 01:30 EST 2023. Contains 367452 sequences. (Running on oeis4.)