OFFSET
0,4
COMMENTS
Appears in the study of the property of the integral Integral sin(x)^cos(x) dx.
The sequence is increasing of order O((2/Pi)^n n!).
LINKS
FORMULA
a(n) = D(sin(x)^cos(x)) (Pi/2).
MATHEMATICA
Derivative[n][f][ \[Pi]/2 ]
CROSSREFS
KEYWORD
nonn,uned
AUTHOR
Ivan (ivantheczar(AT)yahoo.com), May 18 2009
STATUS
approved