A013468 exp(cos(x)-exp(x))=1-x-1/2!*x^2+4/3!*x^3+5/4!*x^4-32/5!*x^5...

1, -1, -1, 4, 5, -32, -55, 390, 961, -6432, -22463, 134550, 649761, -3443208, -22456551, 105379838, 911433121, -3787776224, -42942180863, 157078439014, 2324211078513, -7384507525560, -143088139308519