This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A248968 Decimal expansion for area bounded by x = 1, y = sin(1/x), and y = tan(1/x). 5
 2, 9, 4, 3, 5, 8, 6, 3, 2, 2, 7, 3, 8, 5, 3, 5, 4, 0, 0, 7, 6, 0, 0, 6, 2, 8, 4, 6, 4, 9, 3, 1, 6, 3, 4, 8, 8, 7, 5, 0, 1, 4, 0, 2, 3, 8, 0, 9, 6, 3, 9, 6, 3, 2, 6, 6, 3, 3, 6, 1, 5, 1, 4, 2, 9, 0, 8, 0, 9, 7, 5, 0, 3, 7, 1, 5, 0, 6, 3, 6, 6, 6, 5, 7, 8, 6 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS Clark Kimberling, Table of n, a(n) for n = 0..300 FORMULA Let u,v,w be the constants at A248965, A248967, and A248968, respectively.  Then w = u + v. EXAMPLE area = 0.294358632273853540076006284649... MAPLE evalf(int(tan(1/x)-sin(1/x), x = 1..infinity), 120); # Vaclav Kotesovec, Oct 20 2014 MATHEMATICA v = Integrate[Tan[1/x] - Sin[1/x], {x, 1, Infinity}] N[v, 100] s = RealDigits[N[v, 200]][[1]] (* A248968 *) Plot[{Tan[1/x], Sin[1/x]}, {x, 1, Pi}] CROSSREFS Cf. A248965, A248966, A248967. Sequence in context: A011067 A135008 A200014 * A097881 A019758 A016642 Adjacent sequences:  A248965 A248966 A248967 * A248969 A248970 A248971 KEYWORD nonn,easy,cons AUTHOR Clark Kimberling, Oct 18 2014 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 | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified November 17 22:28 EST 2018. Contains 317279 sequences. (Running on oeis4.)