A012285 arcsinh(sin(x)*log(x+1))=2/2!*x^2-3/3!*x^3+4/4!*x^4-20/5!*x^5...

2, -3, 4, -20, -10, 609, -3880, 32040, -110822, -2853235, 62173340, -984765132, 13116545598, -105359946615, -269704385808, 34712027932816, -1001624343871182, 18826756309101213, -210544812030819596