This site is supported by donations to The OEIS Foundation.

 Annual Appeal: Please make a donation to keep the OEIS running. In 2018 we replaced the server with a faster one, added 20000 new sequences, and reached 7000 citations (often saying "discovered thanks to the OEIS"). Other ways to donate

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A140242 Decimal expansion of arccos(11/16). 11
 8, 1, 2, 7, 5, 5, 5, 6, 1, 3, 6, 8, 6, 6, 0, 6, 5, 8, 7, 7, 4, 3, 4, 9, 3, 8, 0, 6, 5, 8, 6, 1, 8, 5, 2, 5, 3, 4, 2, 0, 0, 3, 5, 0, 0, 3, 9, 7, 0, 3, 8, 3, 2, 9, 5, 8, 5, 7, 0, 0, 9, 5, 9, 9, 3, 2, 1, 8, 3, 0, 2, 1, 7, 0, 0, 0, 4, 0, 8, 3, 2, 0, 7, 8, 7, 7, 1, 1, 8, 5, 9, 8, 7, 0, 1, 4, 7, 2, 9, 1, 7, 5, 7, 9, 6 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS Angle in radians of the larger acute angle of the obtuse scalene triangle with sides of lengths 2, 3 and 4, the scalene triangle with least integer side lengths. A140240 + A140242 + A140244 = arccos(7/8) + arccos(11/16) + arccos(-1/4) = Pi. LINKS FORMULA arccos(11/16) = arcsin(3*sqrt(15)/16) = arctan(3*sqrt(15)/11). EXAMPLE 0.81275556136866065877434938065861852534200350039703832958570095993218302170... PROG (PARI) acos(11/16) CROSSREFS Cf. A140239, A140240, A140241, A140243, A140244, A140245, A140246, A140247, A140248, A140249. Sequence in context: A077464 A088373 A154167 * A156944 A227424 A248965 Adjacent sequences:  A140239 A140240 A140241 * A140243 A140244 A140245 KEYWORD cons,nonn AUTHOR Rick L. Shepherd, May 14 2008 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 December 15 03:52 EST 2018. Contains 318141 sequences. (Running on oeis4.)