The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A161481 Decimal expansion of (16131 + 6970*sqrt(2))/113^2. 4
 2, 0, 3, 5, 2, 4, 6, 9, 6, 7, 6, 3, 5, 7, 1, 7, 1, 6, 5, 8, 0, 3, 7, 2, 5, 4, 6, 0, 7, 0, 4, 9, 5, 6, 9, 7, 4, 5, 1, 8, 8, 0, 4, 3, 6, 7, 7, 1, 6, 9, 1, 8, 1, 6, 6, 6, 5, 6, 8, 6, 0, 9, 7, 3, 7, 4, 8, 5, 6, 3, 3, 4, 6, 7, 6, 8, 0, 2, 3, 0, 2, 9, 2, 7, 3, 0, 2, 0, 6, 8, 4, 0, 2, 0, 9, 6, 1, 8, 4, 2, 1, 1, 4, 7, 3 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Equals lim_{n -> infinity} b(n)/b(n-1) for n mod 3 = 0, b = A161478. Equals lim_{n -> infinity} b(n)/b(n-1) for n mod 3 = 1, b = A161479. LINKS G. C. Greubel, Table of n, a(n) for n = 1..10000 FORMULA Equals (170 +41*sqrt(2))/(170 -41*sqrt(2)). Equals (3 +2*sqrt(2))*(11 -2*sqrt(2))^2/(11 +2*sqrt(2))^2. EXAMPLE (16131+6970*sqrt(2))/113^2 = 2.03524696763571716580... MAPLE with(MmaTranslator[Mma]): Digits:=150: RealDigits(evalf((16131+6970*sqrt(2))/113^2))[1]; # Muniru A Asiru, Apr 08 2018 MATHEMATICA RealDigits[(16131+6970Sqrt[2])/113^2, 10, 120][[1]] (* Harvey P. Dale, Sep 02 2015 *) PROG (PARI) (16131 + 6970*sqrt(2))/113^2 \\ G. C. Greubel, Apr 07 2018 (MAGMA) (16131 + 6970*Sqrt(2))/113^2; // G. C. Greubel, Apr 07 2018 CROSSREFS Cf. A161478, A161479, A002193 (decimal expansion of sqrt(2)), A161480 (decimal expansion of (129+44*sqrt(2))/113). Sequence in context: A293269 A038072 A215482 * A272695 A196503 A061151 Adjacent sequences:  A161478 A161479 A161480 * A161482 A161483 A161484 KEYWORD cons,nonn AUTHOR Klaus Brockhaus, Jun 13 2009 STATUS approved

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

Last modified May 12 09:53 EDT 2021. Contains 343821 sequences. (Running on oeis4.)