OFFSET
0,3
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..200
EXAMPLE
x - 2/2!*x^2 + 7/3!*x^3 - 28/4!*x^4 + 185/5!*x^5 ...
MATHEMATICA
With[{nn=25}, Drop[CoefficientList[Series[Log[Cos[x] + Tan[x]], {x, 0, nn}], x] Range[0, nn]!]] (* Vincenzo Librandi Jul 30 2018 *)
PROG
(PARI) x = 'x + O('x^30); concat([0], Vec(serlaplace(log(cos(x) + tan(x))))) \\ Michel Marcus, Jul 30 2018
CROSSREFS
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
EXTENSIONS
a(0)=0 inserted and title improved by Sean A. Irvine, Jul 30 2018
STATUS
approved