Expansion of e.g.f. tanh(x)*exp(tanh(x)).

Terms

a(0) =0a(1) =1a(2) =2a(3) =1a(4) =-12a(5) =-39a(6) =118a(7) =1233a(8) =-536a(9) =-50831a(10) =-116246a(11) =2696321a(12) =16364252a(13) =-173033847a(14) =-2126232482a(15) =12037460945a(16) =306170653648a(17) =-631883857695