A013274 cos(log(x+1)-arcsinh(x))=1-3/4!*x^4+30/5!*x^5-180/6!*x^6+945/7!*x^7...

1, 0, 0, 0, -3, 30, -180, 945, -7035, 71820, -670950, 5665275, -60135075, 839188350, -10954043100, 127205953875, -1781461056375, 32362913583000, -545592285488250, 7972311855382875, -138305575427394375