A013017 arctan(sinh(x)+log(x+1))=2*x-1/2!*x^2-13/3!*x^3+42/4!*x^4+493/5!*x^5...

2, -1, -13, 42, 493, -4410, -40829, 832440, 5004973, -245085120, -392887339, 101932624200, -443122544633, -55814061375072, 703885217039551, 37862793965199840, -939190392260961927, -29796126039875472768