This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A086648 Decimal expansion of the sum n^(-2n) for n=1 through infinity. 1
 1, 0, 6, 3, 8, 8, 7, 1, 0, 3, 7, 6, 2, 4, 1, 7, 0, 1, 1, 7, 4, 6, 4, 9, 1, 1, 1, 7, 6, 6, 0, 0, 1, 1, 1, 1, 5, 7, 2, 7, 1, 9, 9, 0, 7, 6, 8, 9, 1, 5, 9, 9, 2, 8, 6, 6, 3, 4, 0, 8, 3, 8, 6, 9, 6, 6, 7, 9, 4, 6, 6, 5, 5, 0, 7, 6, 0, 6, 5, 7, 3, 2, 5, 5, 5, 6, 2, 0, 8, 9, 0, 6, 9, 1, 9, 8, 7, 5, 1, 9, 4, 0, 2, 6, 6 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS This number is the sum of the inverses of the terms in the sequence A062206. LINKS EXAMPLE 1.063887103762417011746491117660011115727199076891599286634083869667... PROG (PARI) suminf(k=1, 1./k^(2*k)) \\ Franklin T. Adams-Watters, Mar 23 2010 CROSSREFS Cf. A062206, A073009. Sequence in context: A197135 A088246 A179559 * A268893 A199447 A273067 Adjacent sequences:  A086645 A086646 A086647 * A086649 A086650 A086651 KEYWORD cons,easy,nonn AUTHOR Christopher M. Tomaszewski (cmt1288(AT)comcast.net), Jul 26 2003 EXTENSIONS Clarified definition - R. J. Mathar, Feb 06 2009 More terms from Franklin T. Adams-Watters, Mar 23 2010 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 October 18 03:27 EDT 2018. Contains 316302 sequences. (Running on oeis4.)