A117239 Decimal expansion of solution to problem #9 in the Trefethen challenge.

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

Offset

0,1

Links

Amiram Eldar, Table of n, a(n) for n = 0..10001 (from Dirk Laurie's solution)

Folkmar Bornemann, Short remarks on the solution of the SIAM 100-digit challenge, 2002.

Folkmar Bornemann, Dirk Laurie, Stan Wagon, and Jörg Waldvogel, The SIAM 100-Digit Challenge, A Study in High-Accuracy Numerical Computing, SIAM, Philadelphia, 2004.

Dirk Laurie, Gradus ad Parnassum, a web page for the book The SIAM 100-Digit Challenge.

Eric Weisstein's World of Mathematics, Hundred-Dollar, Hundred-Digit Challenge Problems.

Wikipedia, Hundred-dollar, Hundred-digit Challenge problems.

Example

0.7859336743503714545...

Crossrefs

Cf. A117231, A117232, A117233, A117234, A117235, A117236, A117237, A117238, A117240.

Sequence in context: A336730 A021564 A021060 * A198365 A262898 A004496

Adjacent sequences: A117236 A117237 A117238 * A117240 A117241 A117242

Keyword

nonn,cons

Author

Eric W. Weisstein, Mar 05 2006

Extensions

a(99) corrected by Amiram Eldar, Jan 02 2023

Status

approved