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 A010465 Decimal expansion of square root of 7. 42
 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 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: A175386 A021382 A182505 * A065630 A319376 A110633 Adjacent sequences:  A010462 A010463 A010464 * A010466 A010467 A010468 KEYWORD nonn,cons,easy AUTHOR STATUS approved

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Last modified January 17 01:13 EST 2021. Contains 340213 sequences. (Running on oeis4.)