OFFSET
0,1
EXAMPLE
(2/2!)*x^2 + (242/6!)*x^6 + (493922/10!)*x^10 + (4867022162/14!)*x^14 + ...
MAPLE
g := taylor(tan(cos(x)-cosh(x)), x=0, 100):q := seq(abs(coeff(g, x, 4*i+2)*(4*i+2)!), i=0..12);
CROSSREFS
KEYWORD
nonn
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
EXTENSIONS
More terms from Sascha Kurz, Mar 24 2002
Missing a(0)=2 inserted and title improved by Sean A. Irvine, Aug 06 2018
STATUS
approved