OFFSET
0,4
EXAMPLE
x - 1/2!*x^2 + 6/3!*x^3 - 18/4!*x^4 + 143/5!*x^5 ...
PROG
(PARI) x = 'x + O('x^30); concat(0, Vec(serlaplace(asin(log(x+1)/cos(x))))) \\ Michel Marcus, Jul 27 2018
CROSSREFS
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
EXTENSIONS
a(0) inserted and title improved by Sean A. Irvine, Jul 24 2018
STATUS
approved