Now is the time of year when we ask all users of the OEIS for their annual support.
Click here to donate
to the OEIS Foundation using PayPal or in other ways.
Table of n, a(n) for n=0..19.
tan(log(x+1)^2) = 2/2!*x^2-6/3!*x^3+22/4!*x^4-100/5!*x^5...
Tan[ Log[ 1+x ]^2 ]
Sequence in context: A009585 A012267 A012268 * A002772 A000140 A079263
Adjacent sequences: A009652 A009653 A009654 * A009656 A009657 A009658
R. H. Hardin
Extended with signs by Olivier Gérard, Mar 15 1997.