exp(arctanh(x)+arcsinh(x)) = 1+2*x+4/2!*x^2+9/3!*x^3+24/4!*x^4+105/5!*x^5...

A013183

exp(arctanh(x)+arcsinh(x)) = 1+2*x+4/2!*x^2+9/3!*x^3+24/4!*x^4+105/5!*x^5...

Terms

    a(0) =1a(1) =2a(2) =4a(3) =9a(4) =24a(5) =105a(6) =630a(7) =4095a(8) =27720a(9) =235305a(10) =2353050a(11) =24792075a(12) =267567300a(13) =3350672325a(14) =46909412550a(15) =682570263375

External references