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Expansion of tanh(sin(x))*tan(x)/2.
0

%I #10 Apr 02 2017 15:21:20

%S 0,1,-2,99,-2244,182917,-13166918,1774050663,-260505887880,

%T 54800178181129,-13318656715497866,4113991096987284843,

%U -1477277623649109678924,635278235733490892072077,-314450515401786039971942606

%N Expansion of tanh(sin(x))*tan(x)/2.

%t Tanh[ Sin[ x ] ]*Tan[ x ]/2 (* Even Part *)

%Y Cf. A009796.

%K sign

%O 0,3

%A _R. H. Hardin_

%E Extended with signs Mar 1997