exp(sinh(arctan(x)))=1+x+1/2!*x^2-3/4!*x^4-4/5!*x^5+21/6!*x^6...

A012247

exp(sinh(arctan(x)))=1+x+1/2!*x^2-3/4!*x^4-4/5!*x^5+21/6!*x^6...

Terms

    a(0) =1a(1) =1a(2) =1a(3) =0a(4) =-3a(5) =-4a(6) =21a(7) =136a(8) =185a(9) =-7408a(10) =-67159a(11) =644416a(12) =11805621a(13) =-84562880a(14) =-2380474563a(15) =15811723136a(16) =591392066161

External references