The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A176696 E.g.f.: exp(6*arcsin(x))-6*arcsin(x). 1
 1, 0, 36, 216, 1440, 9936, 74880, 608040, 5391360, 51732000, 539136000, 6055025400, 73322496000, 950831881200, 13198049280000, 194943875747400, 3061947432960000, 50884296047208000, 894088650424320000 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 COMMENTS Sum_{k>=0} a(k)/(2^k*k!) = e^Pi - Pi (A018938). LINKS Table of n, a(n) for n=0..18. MATHEMATICA With[{nn=20}, CoefficientList[Series[Exp[6ArcSin[x]]-6ArcSin[x], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Mar 11 2012 *) PROG (PARI) a(n)=polcoeff(exp(6*asin(x))-6*asin(x), n)*n! CROSSREFS Cf. A018938, A166748. Sequence in context: A365308 A230470 A066610 * A269031 A113164 A237252 Adjacent sequences: A176693 A176694 A176695 * A176697 A176698 A176699 KEYWORD nonn AUTHOR Jaume Oliver Lafont, Apr 24 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified August 3 12:36 EDT 2024. Contains 374893 sequences. (Running on oeis4.)