exp(cos(x)*arctan(x))=1+x+1/2!*x^2-4/3!*x^3-19/4!*x^4+445/6!*x^6...

A012496

exp(cos(x)*arctan(x))=1+x+1/2!*x^2-4/3!*x^3-19/4!*x^4+445/6!*x^6...

Terms

    a(0) =1a(1) =1a(2) =1a(3) =-4a(4) =-19a(5) =0a(6) =445a(7) =1304a(8) =-14663a(9) =-109120a(10) =718265a(11) =10816896a(12) =-50970203a(13) =-1441841024a(14) =4876389557a(15) =258762139648a(16) =-548752599567

External references