Expansion of tanh(sin(log(1+x))).

Terms

a(0) =0a(1) =1a(2) =-1a(3) =-1a(4) =12a(5) =-44a(6) =0a(7) =1308a(8) =-9744a(9) =10252a(10) =627300a(11) =-8602012a(12) =52192272a(13) =175312944a(14) =-7344669696a(15) =47605119248