Search: id:A009655
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%I A009655
%S A009655 0,0,2,6,22,100,788,8568,103416,1307808,17722512,264361680,4373968080,
%T A009655 79413478560,1558387903200,32713320769920,731007454396800,
%U A009655 17347090012492800,436154519763744000,11585396062022112000
%V A009655 0,0,2,-6,22,-100,788,-8568,103416,-1307808,17722512,-264361680,4373968080,
%W A009655 -79413478560,1558387903200,-32713320769920,731007454396800,
%X A009655 -17347090012492800,436154519763744000,-11585396062022112000
%N A009655 Expansion of tan(ln(1+x)^2).
%e A009655 tan(log(x+1)^2) = 2/2!*x^2-6/3!*x^3+22/4!*x^4-100/5!*x^5...
%t A009655 Tan[ Log[ 1+x ]^2 ]
%Y A009655 Sequence in context: A009585 A012267 A012268 this_sequence A002772 A000140 
               A079263
%Y A009655 Adjacent sequences: A009652 A009653 A009654 this_sequence A009656 A009657 
               A009658
%K A009655 sign,easy
%O A009655 0,3
%A A009655 R. H. Hardin (rhhardin(AT)att.net)
%E A009655 Extended with signs Mar 15 1997 by Olivier Gerard.

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