This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A191464 E.g.f. (1+sin(x))^sin(x) 0
 1, 0, 2, -3, 12, -60, 226, -1323, 7872, -47688, 350760, -2677323, 21860264, -197850276, 1885325040, -19153887483, 208328775168, -2386457931984, 28865395641280, -368167396914963, 4923222534781824 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS FORMULA a(n)=2*sum(m=1..n, sum(r=0..(n-m)/2, (stirling1(n-m-2*r,m)*sum(i=0..(n/2-r),(2*i-n+2*r)^n*binomial(n-2*r,i)*(-1)^(n-r-i))/(2^(n-2*r)*(n-m-2*r)!)))), n>0, a(0)=1. PROG (Maxima) a(n):=2*sum(sum((stirling1(n-m-2*r, m)*sum((2*i-n+2*r)^n*binomial(n-2*r, i)*(-1)^(n-r-i), i, 0, (n/2-r))/(2^(n-2*r)*(n-m-2*r)!)), r, 0, (n-m)/2), m, 1, n); CROSSREFS Sequence in context: A025231 A094532 A092980 * A052183 A123899 A188588 Adjacent sequences:  A191461 A191462 A191463 * A191465 A191466 A191467 KEYWORD sign AUTHOR Vladimir Kruchinin, Jun 03 2011 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 August 20 01:14 EDT 2019. Contains 326136 sequences. (Running on oeis4.)