OFFSET
0,4
LINKS
Vaclav Kotesovec, Table of n, a(n) for n = 0..200
FORMULA
a(n) ~ (-1)^(n+1) * n! / (sqrt(2*exp(Pi/2)-1) * (arcsin(1-exp(-Pi/2)))^(n+1)). - Vaclav Kotesovec, Feb 02 2015
MATHEMATICA
With[{nn=20}, CoefficientList[Series[Tan[Log[1+Sin[x]]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Dec 09 2014 *)
CROSSREFS
KEYWORD
sign,easy
AUTHOR
EXTENSIONS
Extended with signs by Olivier Gérard, Mar 15 1997
Definition clarified and prior Mathematica program replaced by Harvey P. Dale, Dec 09 2014
STATUS
approved