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%I #10 Jun 22 2015 22:39:14
%S 0,1,-1,3,0,-45,465,-3759,22232,-70059,-1060245,28407599,-453971496,
%T 5589320503,-48353999603,7539772397,12427981991760,-374837737029719,
%U 7794717166601847,-122407621058565797,1113301750728210320
%N Expansion of tanh(log(1+x)/cos(x)).
%t Tanh[ Log[ 1+x ]/Cos[ x ] ]
%K sign,easy
%O 0,4
%A _R. H. Hardin_
%E Extended with signs by _Olivier Gérard_, Mar 15 1997
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