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!)
 A193178 Decimal expansion of (1/2)^(1/2)^(1/2)^(1/2). 1
 6, 5, 4, 0, 4, 0, 8, 6, 0, 0, 4, 2, 0, 6, 9, 4, 7, 1, 9, 8, 2, 2, 2, 8, 2, 9, 0, 0, 5, 3, 3, 9, 3, 1, 4, 5, 8, 0, 8, 6, 6, 7, 5, 9, 3, 4, 3, 5, 6, 5, 3, 8, 9, 7, 5, 6, 3, 7, 0, 3, 7, 5, 3, 8, 8, 0, 0, 3, 2, 5, 8, 3, 0, 5, 5, 0, 0, 1, 8, 9, 3, 9, 4, 8, 7, 7, 0, 0, 1, 6, 7, 5, 8, 7, 6, 1, 5, 5, 2, 8, 3, 4, 9, 8, 6, 2, 7, 2, 8, 2, 0, 8, 8, 2, 8, 4, 2, 2, 6, 3, 9, 8, 8, 1, 7, 6, 7, 0, 6, 5, 8, 8, 4, 1, 8, 3, 2, 0, 6, 3, 6, 9, 3, 7, 4, 2, 8, 8, 3, 4, 4, 4, 0, 2, 9, 9, 3, 4, 4, 3, 2, 0, 7, 2, 9, 1, 6, 9, 6, 9, 8, 8, 7, 0, 0, 7, 8, 6, 4, 4, 0, 0, 5, 3, 5, 8, 0, 0, 0, 2, 0, 1, 2, 6, 5, 6, 8, 5, 5, 3 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS A weak form of Schanuel's Conjecture implies that (1/2)^(1/2)^(1/2)^(1/2) is transcendental--see Marques and Sondow (2012). LINKS D. Marques and J. Sondow, The Schanuel Subset Conjecture implies Gelfond's Power Tower Conjecture, arXiv 2012. EXAMPLE 0.6540408600420694719822282900533931458086675934356538975637037538800325830550... MATHEMATICA RealDigits[ (1/2)^(1/2)^(1/2)^(1/2), 10, 200] [[1]] CROSSREFS Cf. A220782. Sequence in context: A306712 A109063 A110390 * A084448 A256596 A173431 Adjacent sequences:  A193175 A193176 A193177 * A193179 A193180 A193181 KEYWORD nonn,cons AUTHOR Jonathan Sondow, Dec 31 2012 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 September 20 07:21 EDT 2020. Contains 337264 sequences. (Running on oeis4.)